31294977

素因数分解:

$3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{1789}}^1$

素因数の和:1830

約数の個数: 32

約数和(自身を含む): 51552000

約数和(自身を除く): 20257023

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 343, 357, 833, 1029, 1789, 2499, 5367, 5831, 12523, 17493, 30413, 37569, 87661, 91239, 212891, 262983, 613627, 638673, 1490237, 1840881, 4470711, 10431659, 31294977]

約数ペア:

[(1, 31294977), (3, 10431659), (7, 4470711), (17, 1840881), (21, 1490237), (49, 638673), (51, 613627), (119, 262983), (147, 212891), (343, 91239), (357, 87661), (833, 37569), (1029, 30413), (1789, 17493), (2499, 12523), (5367, 5831)]