660465

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1129}}^1$

素因数の和:1153

約数の個数: 24

約数和(自身を含む): 1233960

約数和(自身を除く): 573495

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 1129, 3387, 5645, 10161, 14677, 16935, 44031, 50805, 73385, 132093, 220155, 660465]

約数ペア:

[(1, 660465), (3, 220155), (5, 132093), (9, 73385), (13, 50805), (15, 44031), (39, 16935), (45, 14677), (65, 10161), (117, 5645), (195, 3387), (585, 1129)]