13377275

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:503

約数の個数: 24

約数和(自身を含む): 17582208

約数和(自身を除く): 4204933

約数列:

[1, 5, 25, 31, 41, 155, 205, 421, 775, 1025, 1271, 2105, 6355, 10525, 13051, 17261, 31775, 65255, 86305, 326275, 431525, 535091, 2675455, 13377275]

約数ペア:

[(1, 13377275), (5, 2675455), (25, 535091), (31, 431525), (41, 326275), (155, 86305), (205, 65255), (421, 31775), (775, 17261), (1025, 13051), (1271, 10525), (2105, 6355)]