2918511

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:412

約数の個数: 20

約数和(自身を含む): 4408272

約数和(自身を除く): 1489761

約数列:

[1, 3, 9, 27, 81, 137, 263, 411, 789, 1233, 2367, 3699, 7101, 11097, 21303, 36031, 108093, 324279, 972837, 2918511]

約数ペア:

[(1, 2918511), (3, 972837), (9, 324279), (27, 108093), (81, 36031), (137, 21303), (263, 11097), (411, 7101), (789, 3699), (1233, 2367)]