138800205

素因数分解:

$3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 245606400

約数和(自身を除く): 106806195

約数列:

[1, 3, 5, 9, 15, 45, 127, 149, 163, 381, 447, 489, 635, 745, 815, 1143, 1341, 1467, 1905, 2235, 2445, 5715, 6705, 7335, 18923, 20701, 24287, 56769, 62103, 72861, 94615, 103505, 121435, 170307, 186309, 218583, 283845, 310515, 364305, 851535, 931545, 1092915, 3084449, 9253347, 15422245, 27760041, 46266735, 138800205]

約数ペア:

[(1, 138800205), (3, 46266735), (5, 27760041), (9, 15422245), (15, 9253347), (45, 3084449), (127, 1092915), (149, 931545), (163, 851535), (381, 364305), (447, 310515), (489, 283845), (635, 218583), (745, 186309), (815, 170307), (1143, 121435), (1341, 103505), (1467, 94615), (1905, 72861), (2235, 62103), (2445, 56769), (5715, 24287), (6705, 20701), (7335, 18923)]