3217905

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1663}}^1$

素因数の和:1717

約数の個数: 24

約数和(自身を含む): 5710848

約数和(自身を除く): 2492943

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1663, 1935, 4989, 8315, 14967, 24945, 71509, 74835, 214527, 357545, 643581, 1072635, 3217905]

約数ペア:

[(1, 3217905), (3, 1072635), (5, 643581), (9, 357545), (15, 214527), (43, 74835), (45, 71509), (129, 24945), (215, 14967), (387, 8315), (645, 4989), (1663, 1935)]