25919757

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{4507}}^1$

素因数の和:4590

約数の個数: 20

約数和(自身を含む): 39273696

約数和(自身を除く): 13353939

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 4507, 5751, 13521, 40563, 121689, 319997, 365067, 959991, 2879973, 8639919, 25919757]

約数ペア:

[(1, 25919757), (3, 8639919), (9, 2879973), (27, 959991), (71, 365067), (81, 319997), (213, 121689), (639, 40563), (1917, 13521), (4507, 5751)]