2008120005

素因数分解:

$3^4\times 5^1\times {\mathrm{4958321}}^1$

素因数の和:4958338

約数の個数: 20

約数和(自身を含む): 3599741772

約数和(自身を除く): 1591621767

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4958321, 14874963, 24791605, 44624889, 74374815, 133874667, 223124445, 401624001, 669373335, 2008120005]

約数ペア:

[(1, 2008120005), (3, 669373335), (5, 401624001), (9, 223124445), (15, 133874667), (27, 74374815), (45, 44624889), (81, 24791605), (135, 14874963), (405, 4958321)]