1237225

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{409}}^1$

素因数の和:441

約数の個数: 18

約数和(自身を含む): 1690430

約数和(自身を除く): 453205

約数列:

[1, 5, 11, 25, 55, 121, 275, 409, 605, 2045, 3025, 4499, 10225, 22495, 49489, 112475, 247445, 1237225]

約数ペア:

[(1, 1237225), (5, 247445), (11, 112475), (25, 49489), (55, 22495), (121, 10225), (275, 4499), (409, 3025), (605, 2045)]