1247001

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{499}}^1$

素因数の和:533

約数の個数: 24

約数和(自身を含む): 2052000

約数和(自身を除く): 804999

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 499, 833, 1497, 2499, 3493, 8483, 10479, 24451, 25449, 59381, 73353, 178143, 415667, 1247001]

約数ペア:

[(1, 1247001), (3, 415667), (7, 178143), (17, 73353), (21, 59381), (49, 25449), (51, 24451), (119, 10479), (147, 8483), (357, 3493), (499, 2499), (833, 1497)]