28404825

素因数分解:

$3^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{3677}}^1$

素因数の和:3793

約数の個数: 24

約数和(自身を含む): 47431488

約数和(自身を除く): 19026663

約数列:

[1, 3, 5, 15, 25, 75, 103, 309, 515, 1545, 2575, 3677, 7725, 11031, 18385, 55155, 91925, 275775, 378731, 1136193, 1893655, 5680965, 9468275, 28404825]

約数ペア:

[(1, 28404825), (3, 9468275), (5, 5680965), (15, 1893655), (25, 1136193), (75, 378731), (103, 275775), (309, 91925), (515, 55155), (1545, 18385), (2575, 11031), (3677, 7725)]