Dris's biconditional conjecture for odd perfect numbers

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Let N=qkn2N=q^k n^2 be an odd perfect number in Eulerian form, where qq is prime, q≡k≡1(mod4)q\equiv k\equiv 1\pmod 4, and gcd⁡(q,n)=1\gcd(q,n)=1. Let σ(m)\sigma(m) denote the sum of the positive divisors of mm, and let νq(N)\nu_q(N) denote the exponent of qq in NN. Dris's biconditional conjecture. The following biconditional holds:

k=νq(N)=1⟺σ(n)<qk.k=\nu_q(N)=1\Longleftrightarrow \sigma(n)<q^k.

This conjecture links Sorli's conjecture to an inequality involving the divisor sum of the non-Euler component. It is presented as a consequence suggested by the paper's new results and remains open.

References

Primary source

Jose Arnaldo B. Dris, “New Results for the Descartes-Frenicle-Sorli Conjecture on Odd Perfect Numbers”, arXiv:1302.5991 (2016).

Additional references

2 papers in this index state this conjecture (2011–2013). The statement above is taken from the most recent of them; the others are arXiv:1103.1090.

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