128549511

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{20089}}^1$

素因数の和:20180

約数の個数: 20

約数和(自身を含む): 194471200

約数和(自身を除く): 65921689

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 6399, 20089, 60267, 180801, 542403, 1587031, 1627209, 4761093, 14283279, 42849837, 128549511]

約数ペア:

[(1, 128549511), (3, 42849837), (9, 14283279), (27, 4761093), (79, 1627209), (81, 1587031), (237, 542403), (711, 180801), (2133, 60267), (6399, 20089)]