28276725

素因数分解:

$3^1\times 5^2\times {\mathrm{181}}^1\times {\mathrm{2083}}^1$

素因数の和:2277

約数の個数: 24

約数和(自身を含む): 47031712

約数和(自身を除く): 18754987

約数列:

[1, 3, 5, 15, 25, 75, 181, 543, 905, 2083, 2715, 4525, 6249, 10415, 13575, 31245, 52075, 156225, 377023, 1131069, 1885115, 5655345, 9425575, 28276725]

約数ペア:

[(1, 28276725), (3, 9425575), (5, 5655345), (15, 1885115), (25, 1131069), (75, 377023), (181, 156225), (543, 52075), (905, 31245), (2083, 13575), (2715, 10415), (4525, 6249)]