16680975

素因数分解:

$3^1\times 5^2\times {\mathrm{197}}^1\times {\mathrm{1129}}^1$

素因数の和:1339

約数の個数: 24

約数和(自身を含む): 27743760

約数和(自身を除く): 11062785

約数列:

[1, 3, 5, 15, 25, 75, 197, 591, 985, 1129, 2955, 3387, 4925, 5645, 14775, 16935, 28225, 84675, 222413, 667239, 1112065, 3336195, 5560325, 16680975]

約数ペア:

[(1, 16680975), (3, 5560325), (5, 3336195), (15, 1112065), (25, 667239), (75, 222413), (197, 84675), (591, 28225), (985, 16935), (1129, 14775), (2955, 5645), (3387, 4925)]