31450629

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2381}}^1$

素因数の和:2445

約数の個数: 32

約数和(自身を含む): 52137216

約数和(自身を除く): 20686587

約数列:

[1, 3, 7, 17, 21, 37, 51, 111, 119, 259, 357, 629, 777, 1887, 2381, 4403, 7143, 13209, 16667, 40477, 50001, 88097, 121431, 264291, 283339, 616679, 850017, 1497649, 1850037, 4492947, 10483543, 31450629]

約数ペア:

[(1, 31450629), (3, 10483543), (7, 4492947), (17, 1850037), (21, 1497649), (37, 850017), (51, 616679), (111, 283339), (119, 264291), (259, 121431), (357, 88097), (629, 50001), (777, 40477), (1887, 16667), (2381, 13209), (4403, 7143)]