28635675

素因数分解:

$3^1\times 5^2\times {\mathrm{191}}^1\times {\mathrm{1999}}^1$

素因数の和:2203

約数の個数: 24

約数和(自身を含む): 47616000

約数和(自身を除く): 18980325

約数列:

[1, 3, 5, 15, 25, 75, 191, 573, 955, 1999, 2865, 4775, 5997, 9995, 14325, 29985, 49975, 149925, 381809, 1145427, 1909045, 5727135, 9545225, 28635675]

約数ペア:

[(1, 28635675), (3, 9545225), (5, 5727135), (15, 1909045), (25, 1145427), (75, 381809), (191, 149925), (573, 49975), (955, 29985), (1999, 14325), (2865, 9995), (4775, 5997)]