25400889

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{313}}^1$

素因数の和:517

約数の個数: 24

約数和(自身を含む): 37619712

約数和(自身を除く): 12218823

約数列:

[1, 3, 9, 71, 127, 213, 313, 381, 639, 939, 1143, 2817, 9017, 22223, 27051, 39751, 66669, 81153, 119253, 200007, 357759, 2822321, 8466963, 25400889]

約数ペア:

[(1, 25400889), (3, 8466963), (9, 2822321), (71, 357759), (127, 200007), (213, 119253), (313, 81153), (381, 66669), (639, 39751), (939, 27051), (1143, 22223), (2817, 9017)]