2008557

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:330

約数の個数: 20

約数和(自身を含む): 3039036

約数和(自身を除く): 1030479

約数列:

[1, 3, 9, 27, 81, 137, 181, 411, 543, 1233, 1629, 3699, 4887, 11097, 14661, 24797, 74391, 223173, 669519, 2008557]

約数ペア:

[(1, 2008557), (3, 669519), (9, 223173), (27, 74391), (81, 24797), (137, 14661), (181, 11097), (411, 4887), (543, 3699), (1233, 1629)]