81283275

素因数分解:

$3^2\times 5^2\times {\mathrm{241}}^1\times {\mathrm{1499}}^1$

素因数の和:1756

約数の個数: 36

約数和(自身を含む): 146289000

約数和(自身を除く): 65005725

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 241, 723, 1205, 1499, 2169, 3615, 4497, 6025, 7495, 10845, 13491, 18075, 22485, 37475, 54225, 67455, 112425, 337275, 361259, 1083777, 1806295, 3251331, 5418885, 9031475, 16256655, 27094425, 81283275]

約数ペア:

[(1, 81283275), (3, 27094425), (5, 16256655), (9, 9031475), (15, 5418885), (25, 3251331), (45, 1806295), (75, 1083777), (225, 361259), (241, 337275), (723, 112425), (1205, 67455), (1499, 54225), (2169, 37475), (3615, 22485), (4497, 18075), (6025, 13491), (7495, 10845)]