28512975

素因数分解:

$3^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{3691}}^1$

素因数の和:3807

約数の個数: 24

約数和(自身を含む): 47612032

約数和(自身を除く): 19099057

約数列:

[1, 3, 5, 15, 25, 75, 103, 309, 515, 1545, 2575, 3691, 7725, 11073, 18455, 55365, 92275, 276825, 380173, 1140519, 1900865, 5702595, 9504325, 28512975]

約数ペア:

[(1, 28512975), (3, 9504325), (5, 5702595), (15, 1900865), (25, 1140519), (75, 380173), (103, 276825), (309, 92275), (515, 55365), (1545, 18455), (2575, 11073), (3691, 7725)]