55890225

素因数分解:

$3^2\times 5^2\times {\mathrm{248401}}^1$

素因数の和:248417

約数の個数: 18

約数和(自身を含む): 100106006

約数和(自身を除く): 44215781

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 248401, 745203, 1242005, 2235609, 3726015, 6210025, 11178045, 18630075, 55890225]

約数ペア:

[(1, 55890225), (3, 18630075), (5, 11178045), (9, 6210025), (15, 3726015), (25, 2235609), (45, 1242005), (75, 745203), (225, 248401)]