90159951

素因数分解:

$3^1\times 7^4\times {\mathrm{12517}}^1$

素因数の和:12548

約数の個数: 20

約数和(自身を含む): 140251672

約数和(自身を除く): 50091721

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7203, 12517, 37551, 87619, 262857, 613333, 1839999, 4293331, 12879993, 30053317, 90159951]

約数ペア:

[(1, 90159951), (3, 30053317), (7, 12879993), (21, 4293331), (49, 1839999), (147, 613333), (343, 262857), (1029, 87619), (2401, 37551), (7203, 12517)]