66890025

素因数分解:

$3^2\times 5^2\times {\mathrm{297289}}^1$

素因数の和:297305

約数の個数: 18

約数和(自身を含む): 119807870

約数和(自身を除く): 52917845

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 297289, 891867, 1486445, 2675601, 4459335, 7432225, 13378005, 22296675, 66890025]

約数ペア:

[(1, 66890025), (3, 22296675), (5, 13378005), (9, 7432225), (15, 4459335), (25, 2675601), (45, 1486445), (75, 891867), (225, 297289)]