1212825

素因数分解:

$3^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:273

約数の個数: 24

約数和(自身を含む): 2037568

約数和(自身を除く): 824743

約数列:

[1, 3, 5, 15, 25, 75, 103, 157, 309, 471, 515, 785, 1545, 2355, 2575, 3925, 7725, 11775, 16171, 48513, 80855, 242565, 404275, 1212825]

約数ペア:

[(1, 1212825), (3, 404275), (5, 242565), (15, 80855), (25, 48513), (75, 16171), (103, 11775), (157, 7725), (309, 3925), (471, 2575), (515, 2355), (785, 1545)]