242565

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:268

約数の個数: 16

約数和(自身を含む): 394368

約数和(自身を除く): 151803

約数列:

[1, 3, 5, 15, 103, 157, 309, 471, 515, 785, 1545, 2355, 16171, 48513, 80855, 242565]

約数ペア:

[(1, 242565), (3, 80855), (5, 48513), (15, 16171), (103, 2355), (157, 1545), (309, 785), (471, 515)]