28285785

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{57143}}^1$

素因数の和:57165

約数の個数: 24

約数和(自身を含む): 53486784

約数和(自身を除く): 25200999

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 57143, 171429, 285715, 514287, 628573, 857145, 1885719, 2571435, 3142865, 5657157, 9428595, 28285785]

約数ペア:

[(1, 28285785), (3, 9428595), (5, 5657157), (9, 3142865), (11, 2571435), (15, 1885719), (33, 857145), (45, 628573), (55, 514287), (99, 285715), (165, 171429), (495, 57143)]