720993357

素因数分解:

$3^2\times 7^1\times {\mathrm{1051}}^1\times {\mathrm{10889}}^1$

素因数の和:11953

約数の個数: 24

約数和(自身を含む): 1191453120

約数和(自身を除く): 470459763

約数列:

[1, 3, 7, 9, 21, 63, 1051, 3153, 7357, 9459, 10889, 22071, 32667, 66213, 76223, 98001, 228669, 686007, 11444339, 34333017, 80110373, 102999051, 240331119, 720993357]

約数ペア:

[(1, 720993357), (3, 240331119), (7, 102999051), (9, 80110373), (21, 34333017), (63, 11444339), (1051, 686007), (3153, 228669), (7357, 98001), (9459, 76223), (10889, 66213), (22071, 32667)]