13457875

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:220

約数の個数: 32

約数和(自身を含む): 18210816

約数和(自身を除く): 4752941

約数列:

[1, 5, 23, 25, 31, 115, 125, 151, 155, 575, 713, 755, 775, 2875, 3473, 3565, 3775, 3875, 4681, 17365, 17825, 18875, 23405, 86825, 89125, 107663, 117025, 434125, 538315, 585125, 2691575, 13457875]

約数ペア:

[(1, 13457875), (5, 2691575), (23, 585125), (25, 538315), (31, 434125), (115, 117025), (125, 107663), (151, 89125), (155, 86825), (575, 23405), (713, 18875), (755, 17825), (775, 17365), (2875, 4681), (3473, 3875), (3565, 3775)]