25809849

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:342

約数の個数: 36

約数和(自身を含む): 41109120

約数和(自身を除く): 15299271

約数列:

[1, 3, 9, 13, 39, 71, 117, 169, 213, 239, 507, 639, 717, 923, 1521, 2151, 2769, 3107, 8307, 9321, 11999, 16969, 27963, 35997, 40391, 50907, 107991, 121173, 152721, 220597, 363519, 661791, 1985373, 2867761, 8603283, 25809849]

約数ペア:

[(1, 25809849), (3, 8603283), (9, 2867761), (13, 1985373), (39, 661791), (71, 363519), (117, 220597), (169, 152721), (213, 121173), (239, 107991), (507, 50907), (639, 40391), (717, 35997), (923, 27963), (1521, 16969), (2151, 11999), (2769, 9321), (3107, 8307)]