28551675

素因数分解:

$3^1\times 5^2\times {\mathrm{617}}^2$

素因数の和:1247

約数の個数: 18

約数和(自身を含む): 47282068

約数和(自身を除く): 18730393

約数列:

[1, 3, 5, 15, 25, 75, 617, 1851, 3085, 9255, 15425, 46275, 380689, 1142067, 1903445, 5710335, 9517225, 28551675]

約数ペア:

[(1, 28551675), (3, 9517225), (5, 5710335), (15, 1903445), (25, 1142067), (75, 380689), (617, 46275), (1851, 15425), (3085, 9255)]