28402425

素因数分解:

$3^2\times 5^2\times {\mathrm{126233}}^1$

素因数の和:126249

約数の個数: 18

約数和(自身を含む): 50872302

約数和(自身を除く): 22469877

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 126233, 378699, 631165, 1136097, 1893495, 3155825, 5680485, 9467475, 28402425]

約数ペア:

[(1, 28402425), (3, 9467475), (5, 5680485), (9, 3155825), (15, 1893495), (25, 1136097), (45, 631165), (75, 378699), (225, 126233)]