13147239

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{5261}}^1$

素因数の和:5295

約数の個数: 24

約数和(自身を含む): 21595248

約数和(自身を除く): 8448009

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 5261, 15783, 36827, 89437, 110481, 257789, 268311, 626059, 773367, 1878177, 4382413, 13147239]

約数ペア:

[(1, 13147239), (3, 4382413), (7, 1878177), (17, 773367), (21, 626059), (49, 268311), (51, 257789), (119, 110481), (147, 89437), (357, 36827), (833, 15783), (2499, 5261)]