1631375

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:467

約数の個数: 16

約数和(自身を含む): 2106624

約数和(自身を除く): 475249

約数列:

[1, 5, 25, 31, 125, 155, 421, 775, 2105, 3875, 10525, 13051, 52625, 65255, 326275, 1631375]

約数ペア:

[(1, 1631375), (5, 326275), (25, 65255), (31, 52625), (125, 13051), (155, 10525), (421, 3875), (775, 2105)]