85787775

素因数分解:

$3^3\times 5^2\times {\mathrm{73}}^1\times {\mathrm{1741}}^1$

素因数の和:1833

約数の個数: 48

約数和(自身を含む): 159845920

約数和(自身を除く): 74058145

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 73, 75, 135, 219, 225, 365, 657, 675, 1095, 1741, 1825, 1971, 3285, 5223, 5475, 8705, 9855, 15669, 16425, 26115, 43525, 47007, 49275, 78345, 127093, 130575, 235035, 381279, 391725, 635465, 1143837, 1175175, 1906395, 3177325, 3431511, 5719185, 9531975, 17157555, 28595925, 85787775]

約数ペア:

[(1, 85787775), (3, 28595925), (5, 17157555), (9, 9531975), (15, 5719185), (25, 3431511), (27, 3177325), (45, 1906395), (73, 1175175), (75, 1143837), (135, 635465), (219, 391725), (225, 381279), (365, 235035), (657, 130575), (675, 127093), (1095, 78345), (1741, 49275), (1825, 47007), (1971, 43525), (3285, 26115), (5223, 16425), (5475, 15669), (8705, 9855)]