31661259

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{677}}^1$

素因数の和:835

約数の個数: 32

約数和(自身を含む): 51549696

約数和(自身を除く): 19888437

約数列:

[1, 3, 7, 17, 21, 51, 119, 131, 357, 393, 677, 917, 2031, 2227, 2751, 4739, 6681, 11509, 14217, 15589, 34527, 46767, 80563, 88687, 241689, 266061, 620809, 1507679, 1862427, 4523037, 10553753, 31661259]

約数ペア:

[(1, 31661259), (3, 10553753), (7, 4523037), (17, 1862427), (21, 1507679), (51, 620809), (119, 266061), (131, 241689), (357, 88687), (393, 80563), (677, 46767), (917, 34527), (2031, 15589), (2227, 14217), (2751, 11509), (4739, 6681)]