13515125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{8317}}^1$

素因数の和:8345

約数の個数: 16

約数和(自身を含む): 18166512

約数和(自身を除く): 4651387

約数列:

[1, 5, 13, 25, 65, 125, 325, 1625, 8317, 41585, 108121, 207925, 540605, 1039625, 2703025, 13515125]

約数ペア:

[(1, 13515125), (5, 2703025), (13, 1039625), (25, 540605), (65, 207925), (125, 108121), (325, 41585), (1625, 8317)]