2543025

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{827}}^1$

素因数の和:881

約数の個数: 24

約数和(自身を含む): 4312224

約数和(自身を除く): 1769199

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 615, 827, 1025, 2481, 3075, 4135, 12405, 20675, 33907, 62025, 101721, 169535, 508605, 847675, 2543025]

約数ペア:

[(1, 2543025), (3, 847675), (5, 508605), (15, 169535), (25, 101721), (41, 62025), (75, 33907), (123, 20675), (205, 12405), (615, 4135), (827, 3075), (1025, 2481)]