25420815

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{80701}}^1$

素因数の和:80719

約数の個数: 24

約数和(自身を含む): 50358048

約数和(自身を除く): 24937233

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 80701, 242103, 403505, 564907, 726309, 1210515, 1694721, 2824535, 3631545, 5084163, 8473605, 25420815]

約数ペア:

[(1, 25420815), (3, 8473605), (5, 5084163), (7, 3631545), (9, 2824535), (15, 1694721), (21, 1210515), (35, 726309), (45, 564907), (63, 403505), (105, 242103), (315, 80701)]