157613121

素因数分解:

$3^4\times {\mathrm{751}}^1\times {\mathrm{2591}}^1$

素因数の和:3354

約数の個数: 20

約数和(自身を含む): 235851264

約数和(自身を除く): 78238143

約数列:

[1, 3, 9, 27, 81, 751, 2253, 2591, 6759, 7773, 20277, 23319, 60831, 69957, 209871, 1945841, 5837523, 17512569, 52537707, 157613121]

約数ペア:

[(1, 157613121), (3, 52537707), (9, 17512569), (27, 5837523), (81, 1945841), (751, 209871), (2253, 69957), (2591, 60831), (6759, 23319), (7773, 20277)]