28928325

素因数分解:

$3^1\times 5^2\times {\mathrm{181}}^1\times {\mathrm{2131}}^1$

素因数の和:2325

約数の個数: 24

約数和(自身を含む): 48114976

約数和(自身を除く): 19186651

約数列:

[1, 3, 5, 15, 25, 75, 181, 543, 905, 2131, 2715, 4525, 6393, 10655, 13575, 31965, 53275, 159825, 385711, 1157133, 1928555, 5785665, 9642775, 28928325]

約数ペア:

[(1, 28928325), (3, 9642775), (5, 5785665), (15, 1928555), (25, 1157133), (75, 385711), (181, 159825), (543, 53275), (905, 31965), (2131, 13575), (2715, 10655), (4525, 6393)]