2865489

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1223}}^1$

素因数の和:1308

約数の個数: 16

約数和(自身を含む): 4230144

約数和(自身を除く): 1364655

約数列:

[1, 3, 11, 33, 71, 213, 781, 1223, 2343, 3669, 13453, 40359, 86833, 260499, 955163, 2865489]

約数ペア:

[(1, 2865489), (3, 955163), (11, 260499), (33, 86833), (71, 40359), (213, 13453), (781, 3669), (1223, 2343)]