28221525

素因数分解:

$3^2\times 5^2\times {\mathrm{125429}}^1$

素因数の和:125445

約数の個数: 18

約数和(自身を含む): 50548290

約数和(自身を除く): 22326765

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 125429, 376287, 627145, 1128861, 1881435, 3135725, 5644305, 9407175, 28221525]

約数ペア:

[(1, 28221525), (3, 9407175), (5, 5644305), (9, 3135725), (15, 1881435), (25, 1128861), (45, 627145), (75, 376287), (225, 125429)]