28041165

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4483}}^1$

素因数の和:4633

約数の個数: 24

約数和(自身を含む): 48965280

約数和(自身を除く): 20924115

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 695, 1251, 2085, 4483, 6255, 13449, 22415, 40347, 67245, 201735, 623137, 1869411, 3115685, 5608233, 9347055, 28041165]

約数ペア:

[(1, 28041165), (3, 9347055), (5, 5608233), (9, 3115685), (15, 1869411), (45, 623137), (139, 201735), (417, 67245), (695, 40347), (1251, 22415), (2085, 13449), (4483, 6255)]