28228425

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{8753}}^1$

素因数の和:8809

約数の個数: 24

約数和(自身を含む): 47761824

約数和(自身を除く): 19533399

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 8753, 26259, 43765, 131295, 218825, 376379, 656475, 1129137, 1881895, 5645685, 9409475, 28228425]

約数ペア:

[(1, 28228425), (3, 9409475), (5, 5645685), (15, 1881895), (25, 1129137), (43, 656475), (75, 376379), (129, 218825), (215, 131295), (645, 43765), (1075, 26259), (3225, 8753)]