A309966 - cp's OEIS frontend

A309966 Numbers n > 1 that give record values for f(n) = sigma(n)/(nlog(log(3d(n)))), where d(n) is the number of divisors of n (A000005) and sigma(n) is their sum (A000203).

n	a(n)
1	2
2	116288545977326780410953600
3	581442729886633902054768000
4	7093601304616933605068169600
5	35468006523084668025340848000
6	475271287409334551539567363200
7	2376356437046672757697836816000
8	168721307030313765796546413936000
9	1855934377333451423762010553296000

[2, 116288545977326780410953600, 581442729886633902054768000, 7093601304616933605068169600, 35468006523084668025340848000, 475271287409334551539567363200, 2376356437046672757697836816000, 168721307030313765796546413936000, 1855934377333451423762010553296000]

cp's OEIS Frontend

A309966 Numbers n > 1 that give record values for f(n) = sigma(n)/(nlog(log(3d(n)))), where d(n) is the number of divisors of n (A000005) and sigma(n) is their sum (A000203).

Table of values

List of values

cp's OEIS Frontend

A309966 Numbers n > 1 that give record values for f(n) = sigma(n)/(n*log(log(3*d(n)))), where d(n) is the number of divisors of n (A000005) and sigma(n) is their sum (A000203).

Table of values

List of values

A309966 Numbers n > 1 that give record values for f(n) = sigma(n)/(nlog(log(3d(n)))), where d(n) is the number of divisors of n (A000005) and sigma(n) is their sum (A000203).