25287225

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{7841}}^1$

素因数の和:7897

約数の個数: 24

約数和(自身を含む): 42785952

約数和(自身を除く): 17498727

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 7841, 23523, 39205, 117615, 196025, 337163, 588075, 1011489, 1685815, 5057445, 8429075, 25287225]

約数ペア:

[(1, 25287225), (3, 8429075), (5, 5057445), (15, 1685815), (25, 1011489), (43, 588075), (75, 337163), (129, 196025), (215, 117615), (645, 39205), (1075, 23523), (3225, 7841)]