7921521

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:421

約数の個数: 24

約数和(自身を含む): 11915904

約数和(自身を除く): 3994383

約数列:

[1, 3, 9, 47, 61, 141, 183, 307, 423, 549, 921, 2763, 2867, 8601, 14429, 18727, 25803, 43287, 56181, 129861, 168543, 880169, 2640507, 7921521]

約数ペア:

[(1, 7921521), (3, 2640507), (9, 880169), (47, 168543), (61, 129861), (141, 56181), (183, 43287), (307, 25803), (423, 18727), (549, 14429), (921, 8601), (2763, 2867)]