15827825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1571}}^1$

素因数の和:1625

約数の個数: 24

約数和(自身を含む): 21831936

約数和(自身を除く): 6004111

約数列:

[1, 5, 13, 25, 31, 65, 155, 325, 403, 775, 1571, 2015, 7855, 10075, 20423, 39275, 48701, 102115, 243505, 510575, 633113, 1217525, 3165565, 15827825]

約数ペア:

[(1, 15827825), (5, 3165565), (13, 1217525), (25, 633113), (31, 510575), (65, 243505), (155, 102115), (325, 48701), (403, 39275), (775, 20423), (1571, 10075), (2015, 7855)]