12810879

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{1451}}^1$

素因数の和:1572

約数の個数: 20

約数和(自身を含む): 19326120

約数和(自身を除く): 6515241

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 1451, 2943, 4353, 8829, 13059, 39177, 117531, 158159, 474477, 1423431, 4270293, 12810879]

約数ペア:

[(1, 12810879), (3, 4270293), (9, 1423431), (27, 474477), (81, 158159), (109, 117531), (327, 39177), (981, 13059), (1451, 8829), (2943, 4353)]