123987157

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{2861}}^1$

素因数の和:3060

約数の個数: 16

約数和(自身を含む): 146168064

約数和(自身を除く): 22180907

約数列:

[1, 7, 41, 151, 287, 1057, 2861, 6191, 20027, 43337, 117301, 432011, 821107, 3024077, 17712451, 123987157]

約数ペア:

[(1, 123987157), (7, 17712451), (41, 3024077), (151, 821107), (287, 432011), (1057, 117301), (2861, 43337), (6191, 20027)]