12919683

素因数分解:

$3^1\times 7^2\times {\mathrm{179}}^1\times {\mathrm{491}}^1$

素因数の和:687

約数の個数: 24

約数和(自身を含む): 20191680

約数和(自身を除く): 7271997

約数列:

[1, 3, 7, 21, 49, 147, 179, 491, 537, 1253, 1473, 3437, 3759, 8771, 10311, 24059, 26313, 72177, 87889, 263667, 615223, 1845669, 4306561, 12919683]

約数ペア:

[(1, 12919683), (3, 4306561), (7, 1845669), (21, 615223), (49, 263667), (147, 87889), (179, 72177), (491, 26313), (537, 24059), (1253, 10311), (1473, 8771), (3437, 3759)]