396405

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{383}}^1$

素因数の和:417

約数の個数: 24

約数和(自身を含む): 718848

約数和(自身を除く): 322443

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 383, 1035, 1149, 1915, 3447, 5745, 8809, 17235, 26427, 44045, 79281, 132135, 396405]

約数ペア:

[(1, 396405), (3, 132135), (5, 79281), (9, 44045), (15, 26427), (23, 17235), (45, 8809), (69, 5745), (115, 3447), (207, 1915), (345, 1149), (383, 1035)]