12505731

素因数分解:

$3^1\times 7^2\times {\mathrm{241}}^1\times {\mathrm{353}}^1$

素因数の和:611

約数の個数: 24

約数和(自身を含む): 19532304

約数和(自身を除く): 7026573

約数列:

[1, 3, 7, 21, 49, 147, 241, 353, 723, 1059, 1687, 2471, 5061, 7413, 11809, 17297, 35427, 51891, 85073, 255219, 595511, 1786533, 4168577, 12505731]

約数ペア:

[(1, 12505731), (3, 4168577), (7, 1786533), (21, 595511), (49, 255219), (147, 85073), (241, 51891), (353, 35427), (723, 17297), (1059, 11809), (1687, 7413), (2471, 5061)]