664279479

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{13159}}^1$

素因数の和:13315

約数の個数: 24

約数和(自身を含む): 985420800

約数和(自身を除く): 321141321

約数列:

[1, 3, 9, 71, 79, 213, 237, 639, 711, 5609, 13159, 16827, 39477, 50481, 118431, 934289, 1039561, 2802867, 3118683, 8408601, 9356049, 73808831, 221426493, 664279479]

約数ペア:

[(1, 664279479), (3, 221426493), (9, 73808831), (71, 9356049), (79, 8408601), (213, 3118683), (237, 2802867), (639, 1039561), (711, 934289), (5609, 118431), (13159, 50481), (16827, 39477)]