31306847

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:219

約数の個数: 32

約数和(自身を含む): 38789184

約数和(自身を除く): 7482337

約数列:

[1, 11, 13, 37, 61, 97, 143, 407, 481, 671, 793, 1067, 1261, 2257, 3589, 5291, 5917, 8723, 13871, 24827, 29341, 39479, 46657, 65087, 76921, 218929, 322751, 513227, 846131, 2408219, 2846077, 31306847]

約数ペア:

[(1, 31306847), (11, 2846077), (13, 2408219), (37, 846131), (61, 513227), (97, 322751), (143, 218929), (407, 76921), (481, 65087), (671, 46657), (793, 39479), (1067, 29341), (1261, 24827), (2257, 13871), (3589, 8723), (5291, 5917)]