20171511

素因数分解:

$3^4\times {\mathrm{131}}^1\times {\mathrm{1901}}^1$

素因数の和:2044

約数の個数: 20

約数和(自身を含む): 30378744

約数和(自身を除く): 10207233

約数列:

[1, 3, 9, 27, 81, 131, 393, 1179, 1901, 3537, 5703, 10611, 17109, 51327, 153981, 249031, 747093, 2241279, 6723837, 20171511]

約数ペア:

[(1, 20171511), (3, 6723837), (9, 2241279), (27, 747093), (81, 249031), (131, 153981), (393, 51327), (1179, 17109), (1901, 10611), (3537, 5703)]