16855909

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{449}}^1$

素因数の和:660

約数の個数: 16

約数和(自身を含む): 20044800

約数和(自身を除く): 3188891

約数列:

[1, 7, 31, 173, 217, 449, 1211, 3143, 5363, 13919, 37541, 77677, 97433, 543739, 2407987, 16855909]

約数ペア:

[(1, 16855909), (7, 2407987), (31, 543739), (173, 97433), (217, 77677), (449, 37541), (1211, 13919), (3143, 5363)]