25542225

素因数分解:

$3^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{1861}}^1$

素因数の和:1938

約数の個数: 36

約数和(自身を含む): 46523932

約数和(自身を除く): 20981707

約数列:

[1, 3, 5, 9, 15, 25, 45, 61, 75, 183, 225, 305, 549, 915, 1525, 1861, 2745, 4575, 5583, 9305, 13725, 16749, 27915, 46525, 83745, 113521, 139575, 340563, 418725, 567605, 1021689, 1702815, 2838025, 5108445, 8514075, 25542225]

約数ペア:

[(1, 25542225), (3, 8514075), (5, 5108445), (9, 2838025), (15, 1702815), (25, 1021689), (45, 567605), (61, 418725), (75, 340563), (183, 139575), (225, 113521), (305, 83745), (549, 46525), (915, 27915), (1525, 16749), (1861, 13725), (2745, 9305), (4575, 5583)]