644166999

素因数分解:

$3^6\times 7^1\times {\mathrm{126233}}^1$

素因数の和:126258

約数の個数: 28

約数和(自身を含む): 1103790096

約数和(自身を除く): 459623097

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 126233, 378699, 883631, 1136097, 2650893, 3408291, 7952679, 10224873, 23858037, 30674619, 71574111, 92023857, 214722333, 644166999]

約数ペア:

[(1, 644166999), (3, 214722333), (7, 92023857), (9, 71574111), (21, 30674619), (27, 23858037), (63, 10224873), (81, 7952679), (189, 3408291), (243, 2650893), (567, 1136097), (729, 883631), (1701, 378699), (5103, 126233)]