3967925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:473

約数の個数: 24

約数和(自身を含む): 5494440

約数和(自身を除く): 1526515

約数列:

[1, 5, 13, 25, 29, 65, 145, 325, 377, 421, 725, 1885, 2105, 5473, 9425, 10525, 12209, 27365, 61045, 136825, 158717, 305225, 793585, 3967925]

約数ペア:

[(1, 3967925), (5, 793585), (13, 305225), (25, 158717), (29, 136825), (65, 61045), (145, 27365), (325, 12209), (377, 10525), (421, 9425), (725, 5473), (1885, 2105)]