8178759

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:284

約数の個数: 32

約数和(自身を含む): 12960000

約数和(自身を除く): 4781241

約数列:

[1, 3, 9, 19, 27, 57, 107, 149, 171, 321, 447, 513, 963, 1341, 2033, 2831, 2889, 4023, 6099, 8493, 15943, 18297, 25479, 47829, 54891, 76437, 143487, 302917, 430461, 908751, 2726253, 8178759]

約数ペア:

[(1, 8178759), (3, 2726253), (9, 908751), (19, 430461), (27, 302917), (57, 143487), (107, 76437), (149, 54891), (171, 47829), (321, 25479), (447, 18297), (513, 15943), (963, 8493), (1341, 6099), (2033, 4023), (2831, 2889)]