151781121

素因数分解:

$3^4\times {\mathrm{919}}^1\times {\mathrm{2039}}^1$

素因数の和:2970

約数の個数: 20

約数和(自身を含む): 227092800

約数和(自身を除く): 75311679

約数列:

[1, 3, 9, 27, 81, 919, 2039, 2757, 6117, 8271, 18351, 24813, 55053, 74439, 165159, 1873841, 5621523, 16864569, 50593707, 151781121]

約数ペア:

[(1, 151781121), (3, 50593707), (9, 16864569), (27, 5621523), (81, 1873841), (919, 165159), (2039, 74439), (2757, 55053), (6117, 24813), (8271, 18351)]