31245279

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{367}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 46986240

約数和(自身を除く): 15740961

約数列:

[1, 3, 13, 37, 39, 59, 111, 177, 367, 481, 767, 1101, 1443, 2183, 2301, 4771, 6549, 13579, 14313, 21653, 28379, 40737, 64959, 85137, 176527, 281489, 529581, 801161, 844467, 2403483, 10415093, 31245279]

約数ペア:

[(1, 31245279), (3, 10415093), (13, 2403483), (37, 844467), (39, 801161), (59, 529581), (111, 281489), (177, 176527), (367, 85137), (481, 64959), (767, 40737), (1101, 28379), (1443, 21653), (2183, 14313), (2301, 13579), (4771, 6549)]