149800007

素因数分解:

$7^2\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{443}}^1$

素因数の和:627

約数の個数: 24

約数和(自身を含む): 178978176

約数和(自身を除く): 29178169

約数列:

[1, 7, 49, 67, 103, 443, 469, 721, 3101, 3283, 5047, 6901, 21707, 29681, 45629, 48307, 207767, 319403, 338149, 1454369, 2235821, 3057143, 21400001, 149800007]

約数ペア:

[(1, 149800007), (7, 21400001), (49, 3057143), (67, 2235821), (103, 1454369), (443, 338149), (469, 319403), (721, 207767), (3101, 48307), (3283, 45629), (5047, 29681), (6901, 21707)]