25920225

素因数分解:

$3^2\times 5^2\times {\mathrm{115201}}^1$

素因数の和:115217

約数の個数: 18

約数和(自身を含む): 46426406

約数和(自身を除く): 20506181

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 115201, 345603, 576005, 1036809, 1728015, 2880025, 5184045, 8640075, 25920225]

約数ペア:

[(1, 25920225), (3, 8640075), (5, 5184045), (9, 2880025), (15, 1728015), (25, 1036809), (45, 576005), (75, 345603), (225, 115201)]