4004025

素因数分解:

$3^1\times 5^2\times {\mathrm{197}}^1\times {\mathrm{271}}^1$

素因数の和:481

約数の個数: 24

約数和(自身を含む): 6678144

約数和(自身を除く): 2674119

約数列:

[1, 3, 5, 15, 25, 75, 197, 271, 591, 813, 985, 1355, 2955, 4065, 4925, 6775, 14775, 20325, 53387, 160161, 266935, 800805, 1334675, 4004025]

約数ペア:

[(1, 4004025), (3, 1334675), (5, 800805), (15, 266935), (25, 160161), (75, 53387), (197, 20325), (271, 14775), (591, 6775), (813, 4925), (985, 4065), (1355, 2955)]