77903721

素因数分解:

$3^3\times 7^1\times {\mathrm{412189}}^1$

素因数の和:412205

約数の個数: 16

約数和(自身を含む): 131900800

約数和(自身を除く): 53997079

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 412189, 1236567, 2885323, 3709701, 8655969, 11129103, 25967907, 77903721]

約数ペア:

[(1, 77903721), (3, 25967907), (7, 11129103), (9, 8655969), (21, 3709701), (27, 2885323), (63, 1236567), (189, 412189)]