128973087

素因数分解:

$3^3\times {\mathrm{251}}^1\times {\mathrm{19031}}^1$

素因数の和:19291

約数の個数: 16

約数和(自身を含む): 191842560

約数和(自身を除く): 62869473

約数列:

[1, 3, 9, 27, 251, 753, 2259, 6777, 19031, 57093, 171279, 513837, 4776781, 14330343, 42991029, 128973087]

約数ペア:

[(1, 128973087), (3, 42991029), (9, 14330343), (27, 4776781), (251, 513837), (753, 171279), (2259, 57093), (6777, 19031)]