28140825

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{6151}}^1$

素因数の和:6225

約数の個数: 24

約数和(自身を含む): 47296576

約数和(自身を除く): 19155751

約数列:

[1, 3, 5, 15, 25, 61, 75, 183, 305, 915, 1525, 4575, 6151, 18453, 30755, 92265, 153775, 375211, 461325, 1125633, 1876055, 5628165, 9380275, 28140825]

約数ペア:

[(1, 28140825), (3, 9380275), (5, 5628165), (15, 1876055), (25, 1125633), (61, 461325), (75, 375211), (183, 153775), (305, 92265), (915, 30755), (1525, 18453), (4575, 6151)]