31909317

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{13619}}^1$

素因数の和:13704

約数の個数: 16

約数和(自身を含む): 47070720

約数和(自身を除く): 15161403

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 13619, 40857, 149809, 449427, 966949, 2900847, 10636439, 31909317]

約数ペア:

[(1, 31909317), (3, 10636439), (11, 2900847), (33, 966949), (71, 449427), (213, 149809), (781, 40857), (2343, 13619)]