15075389

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{103}}^2$

素因数の和:249

約数の個数: 18

約数和(自身を含む): 18319230

約数和(自身を除く): 3243841

約数列:

[1, 7, 29, 49, 103, 203, 721, 1421, 2987, 5047, 10609, 20909, 74263, 146363, 307661, 519841, 2153627, 15075389]

約数ペア:

[(1, 15075389), (7, 2153627), (29, 519841), (49, 307661), (103, 146363), (203, 74263), (721, 20909), (1421, 10609), (2987, 5047)]