81177831

素因数分解:

$3^2\times 7^1\times {\mathrm{367}}^1\times {\mathrm{3511}}^1$

素因数の和:3891

約数の個数: 24

約数和(自身を含む): 134411264

約数和(自身を除く): 53233433

約数列:

[1, 3, 7, 9, 21, 63, 367, 1101, 2569, 3303, 3511, 7707, 10533, 23121, 24577, 31599, 73731, 221193, 1288537, 3865611, 9019759, 11596833, 27059277, 81177831]

約数ペア:

[(1, 81177831), (3, 27059277), (7, 11596833), (9, 9019759), (21, 3865611), (63, 1288537), (367, 221193), (1101, 73731), (2569, 31599), (3303, 24577), (3511, 23121), (7707, 10533)]