31641363

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:396

約数の個数: 36

約数和(自身を含む): 50358672

約数和(自身を除く): 18717309

約数列:

[1, 3, 9, 13, 39, 71, 117, 169, 213, 293, 507, 639, 879, 923, 1521, 2637, 2769, 3809, 8307, 11427, 11999, 20803, 34281, 35997, 49517, 62409, 107991, 148551, 187227, 270439, 445653, 811317, 2433951, 3515707, 10547121, 31641363]

約数ペア:

[(1, 31641363), (3, 10547121), (9, 3515707), (13, 2433951), (39, 811317), (71, 445653), (117, 270439), (169, 187227), (213, 148551), (293, 107991), (507, 62409), (639, 49517), (879, 35997), (923, 34281), (1521, 20803), (2637, 11999), (2769, 11427), (3809, 8307)]