20161621233

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{677}}^1\times {\mathrm{254537}}^1$

素因数の和:255233

約数の個数: 24

約数和(自身を含む): 31408971048

約数和(自身を除く): 11247349815

約数列:

[1, 3, 9, 13, 39, 117, 677, 2031, 6093, 8801, 26403, 79209, 254537, 763611, 2290833, 3308981, 9926943, 29780829, 172321549, 516964647, 1550893941, 2240180137, 6720540411, 20161621233]

約数ペア:

[(1, 20161621233), (3, 6720540411), (9, 2240180137), (13, 1550893941), (39, 516964647), (117, 172321549), (677, 29780829), (2031, 9926943), (6093, 3308981), (8801, 2290833), (26403, 763611), (79209, 254537)]