1820123685

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{290987}}^1$

素因数の和:291137

約数の個数: 24

約数和(自身を含む): 3177588960

約数和(自身を除く): 1357465275

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 695, 1251, 2085, 6255, 290987, 872961, 1454935, 2618883, 4364805, 13094415, 40447193, 121341579, 202235965, 364024737, 606707895, 1820123685]

約数ペア:

[(1, 1820123685), (3, 606707895), (5, 364024737), (9, 202235965), (15, 121341579), (45, 40447193), (139, 13094415), (417, 4364805), (695, 2618883), (1251, 1454935), (2085, 872961), (6255, 290987)]