28928169

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2663}}^1$

素因数の和:2757

約数の個数: 24

約数和(自身を含む): 44883072

約数和(自身を除く): 15954903

約数列:

[1, 3, 9, 17, 51, 71, 153, 213, 639, 1207, 2663, 3621, 7989, 10863, 23967, 45271, 135813, 189073, 407439, 567219, 1701657, 3214241, 9642723, 28928169]

約数ペア:

[(1, 28928169), (3, 9642723), (9, 3214241), (17, 1701657), (51, 567219), (71, 407439), (153, 189073), (213, 135813), (639, 45271), (1207, 23967), (2663, 10863), (3621, 7989)]