660206907

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{487}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 1018288128

約数和(自身を除く): 358081221

約数列:

[1, 3, 9, 31, 43, 93, 113, 129, 279, 339, 387, 487, 1017, 1333, 1461, 3503, 3999, 4383, 4859, 10509, 11997, 14577, 15097, 20941, 31527, 43731, 45291, 55031, 62823, 135873, 150629, 165093, 188469, 451887, 495279, 649171, 1355661, 1705961, 1947513, 2366333, 5117883, 5842539, 7098999, 15353649, 21296997, 73356323, 220068969, 660206907]

約数ペア:

[(1, 660206907), (3, 220068969), (9, 73356323), (31, 21296997), (43, 15353649), (93, 7098999), (113, 5842539), (129, 5117883), (279, 2366333), (339, 1947513), (387, 1705961), (487, 1355661), (1017, 649171), (1333, 495279), (1461, 451887), (3503, 188469), (3999, 165093), (4383, 150629), (4859, 135873), (10509, 62823), (11997, 55031), (14577, 45291), (15097, 43731), (20941, 31527)]