12918933

素因数分解:

$3^4\times {\mathrm{349}}^1\times {\mathrm{457}}^1$

素因数の和:818

約数の個数: 20

約数和(自身を含む): 19396300

約数和(自身を除く): 6477367

約数列:

[1, 3, 9, 27, 81, 349, 457, 1047, 1371, 3141, 4113, 9423, 12339, 28269, 37017, 159493, 478479, 1435437, 4306311, 12918933]

約数ペア:

[(1, 12918933), (3, 4306311), (9, 1435437), (27, 478479), (81, 159493), (349, 37017), (457, 28269), (1047, 12339), (1371, 9423), (3141, 4113)]