123920505

素因数分解:

$3^2\times 5^1\times {\mathrm{769}}^1\times {\mathrm{3581}}^1$

素因数の和:4361

約数の個数: 24

約数和(自身を含む): 215134920

約数和(自身を除く): 91214415

約数列:

[1, 3, 5, 9, 15, 45, 769, 2307, 3581, 3845, 6921, 10743, 11535, 17905, 32229, 34605, 53715, 161145, 2753789, 8261367, 13768945, 24784101, 41306835, 123920505]

約数ペア:

[(1, 123920505), (3, 41306835), (5, 24784101), (9, 13768945), (15, 8261367), (45, 2753789), (769, 161145), (2307, 53715), (3581, 34605), (3845, 32229), (6921, 17905), (10743, 11535)]