12503745

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1999}}^1$

素因数の和:2149

約数の個数: 24

約数和(自身を含む): 21840000

約数和(自身を除く): 9336255

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 695, 1251, 1999, 2085, 5997, 6255, 9995, 17991, 29985, 89955, 277861, 833583, 1389305, 2500749, 4167915, 12503745]

約数ペア:

[(1, 12503745), (3, 4167915), (5, 2500749), (9, 1389305), (15, 833583), (45, 277861), (139, 89955), (417, 29985), (695, 17991), (1251, 9995), (1999, 6255), (2085, 5997)]