7855137

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{2621}}^1$

素因数の和:2670

約数の個数: 20

約数和(自身を含む): 12055956

約数和(自身を除く): 4200819

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2621, 2997, 7863, 23589, 70767, 96977, 212301, 290931, 872793, 2618379, 7855137]

約数ペア:

[(1, 7855137), (3, 2618379), (9, 872793), (27, 290931), (37, 212301), (81, 96977), (111, 70767), (333, 23589), (999, 7863), (2621, 2997)]