28350225

素因数分解:

$3^2\times 5^2\times {\mathrm{126001}}^1$

素因数の和:126017

約数の個数: 18

約数和(自身を含む): 50778806

約数和(自身を除く): 22428581

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 126001, 378003, 630005, 1134009, 1890015, 3150025, 5670045, 9450075, 28350225]

約数ペア:

[(1, 28350225), (3, 9450075), (5, 5670045), (9, 3150025), (15, 1890015), (25, 1134009), (45, 630005), (75, 378003), (225, 126001)]