2851431

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1217}}^1$

素因数の和:1302

約数の個数: 16

約数和(自身を含む): 4209408

約数和(自身を除く): 1357977

約数列:

[1, 3, 11, 33, 71, 213, 781, 1217, 2343, 3651, 13387, 40161, 86407, 259221, 950477, 2851431]

約数ペア:

[(1, 2851431), (3, 950477), (11, 259221), (33, 86407), (71, 40161), (213, 13387), (781, 3651), (1217, 2343)]