2002905

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{947}}^1$

素因数の和:1005

約数の個数: 24

約数和(自身を含む): 3549312

約数和(自身を除く): 1546407

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 947, 2115, 2841, 4735, 8523, 14205, 42615, 44509, 133527, 222545, 400581, 667635, 2002905]

約数ペア:

[(1, 2002905), (3, 667635), (5, 400581), (9, 222545), (15, 133527), (45, 44509), (47, 42615), (141, 14205), (235, 8523), (423, 4735), (705, 2841), (947, 2115)]