81406701

素因数分解:

$3^7\times {\mathrm{37223}}^1$

素因数の和:37244

約数の個数: 16

約数和(自身を含む): 122094720

約数和(自身を除く): 40688019

約数列:

[1, 3, 9, 27, 81, 243, 729, 2187, 37223, 111669, 335007, 1005021, 3015063, 9045189, 27135567, 81406701]

約数ペア:

[(1, 81406701), (3, 27135567), (9, 9045189), (27, 3015063), (81, 1005021), (243, 335007), (729, 111669), (2187, 37223)]