28220175

素因数分解:

$3^2\times 5^2\times {\mathrm{125423}}^1$

素因数の和:125439

約数の個数: 18

約数和(自身を含む): 50545872

約数和(自身を除く): 22325697

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 125423, 376269, 627115, 1128807, 1881345, 3135575, 5644035, 9406725, 28220175]

約数ペア:

[(1, 28220175), (3, 9406725), (5, 5644035), (9, 3135575), (15, 1881345), (25, 1128807), (45, 627115), (75, 376269), (225, 125423)]