11947575

素因数分解:

$3^1\times 5^2\times {\mathrm{241}}^1\times {\mathrm{661}}^1$

素因数の和:915

約数の個数: 24

約数和(自身を含む): 19865296

約数和(自身を除く): 7917721

約数列:

[1, 3, 5, 15, 25, 75, 241, 661, 723, 1205, 1983, 3305, 3615, 6025, 9915, 16525, 18075, 49575, 159301, 477903, 796505, 2389515, 3982525, 11947575]

約数ペア:

[(1, 11947575), (3, 3982525), (5, 2389515), (15, 796505), (25, 477903), (75, 159301), (241, 49575), (661, 18075), (723, 16525), (1205, 9915), (1983, 6025), (3305, 3615)]