61977555

素因数分解:

$3^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{769}}^1$

素因数の和:985

約数の個数: 40

約数和(自身を含む): 111804000

約数和(自身を除く): 49826445

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 199, 405, 597, 769, 995, 1791, 2307, 2985, 3845, 5373, 6921, 8955, 11535, 16119, 20763, 26865, 34605, 62289, 80595, 103815, 153031, 311445, 459093, 765155, 1377279, 2295465, 4131837, 6886395, 12395511, 20659185, 61977555]

約数ペア:

[(1, 61977555), (3, 20659185), (5, 12395511), (9, 6886395), (15, 4131837), (27, 2295465), (45, 1377279), (81, 765155), (135, 459093), (199, 311445), (405, 153031), (597, 103815), (769, 80595), (995, 62289), (1791, 34605), (2307, 26865), (2985, 20763), (3845, 16119), (5373, 11535), (6921, 8955)]