1320409893

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{61843}}^1$

素因数の和:62504

約数の個数: 16

約数和(自身を含む): 1923595776

約数和(自身を除く): 603185883

約数列:

[1, 3, 11, 33, 647, 1941, 7117, 21351, 61843, 185529, 680273, 2040819, 40012421, 120037263, 440136631, 1320409893]

約数ペア:

[(1, 1320409893), (3, 440136631), (11, 120037263), (33, 40012421), (647, 2040819), (1941, 680273), (7117, 185529), (21351, 61843)]