25279479

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{13187}}^1$

素因数の和:13267

約数の個数: 16

約数和(自身を含む): 37981440

約数和(自身を除く): 12701961

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 13187, 39561, 118683, 356049, 936277, 2808831, 8426493, 25279479]

約数ペア:

[(1, 25279479), (3, 8426493), (9, 2808831), (27, 936277), (71, 356049), (213, 118683), (639, 39561), (1917, 13187)]