25770231

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{4481}}^1$

素因数の和:4564

約数の個数: 20

約数和(自身を含む): 39047184

約数和(自身を除く): 13276953

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 4481, 5751, 13443, 40329, 120987, 318151, 362961, 954453, 2863359, 8590077, 25770231]

約数ペア:

[(1, 25770231), (3, 8590077), (9, 2863359), (27, 954453), (71, 362961), (81, 318151), (213, 120987), (639, 40329), (1917, 13443), (4481, 5751)]