28621575

素因数分解:

$3^2\times 5^2\times {\mathrm{127207}}^1$

素因数の和:127223

約数の個数: 18

約数和(自身を含む): 51264824

約数和(自身を除く): 22643249

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 127207, 381621, 636035, 1144863, 1908105, 3180175, 5724315, 9540525, 28621575]

約数ペア:

[(1, 28621575), (3, 9540525), (5, 5724315), (9, 3180175), (15, 1908105), (25, 1144863), (45, 636035), (75, 381621), (225, 127207)]