28216575

素因数分解:

$3^2\times 5^2\times {\mathrm{125407}}^1$

素因数の和:125423

約数の個数: 18

約数和(自身を含む): 50539424

約数和(自身を除く): 22322849

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 125407, 376221, 627035, 1128663, 1881105, 3135175, 5643315, 9405525, 28216575]

約数ペア:

[(1, 28216575), (3, 9405525), (5, 5643315), (9, 3135175), (15, 1881105), (25, 1128663), (45, 627035), (75, 376221), (225, 125407)]