15991443

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4409}}^1$

素因数の和:4459

約数の個数: 24

約数和(自身を含む): 25683840

約数和(自身を除く): 9692397

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 279, 403, 1209, 3627, 4409, 13227, 39681, 57317, 136679, 171951, 410037, 515853, 1230111, 1776827, 5330481, 15991443]

約数ペア:

[(1, 15991443), (3, 5330481), (9, 1776827), (13, 1230111), (31, 515853), (39, 410037), (93, 171951), (117, 136679), (279, 57317), (403, 39681), (1209, 13227), (3627, 4409)]