2631189

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1123}}^1$

素因数の和:1208

約数の個数: 16

約数和(自身を含む): 3884544

約数和(自身を除く): 1253355

約数列:

[1, 3, 11, 33, 71, 213, 781, 1123, 2343, 3369, 12353, 37059, 79733, 239199, 877063, 2631189]

約数ペア:

[(1, 2631189), (3, 877063), (11, 239199), (33, 79733), (71, 37059), (213, 12353), (781, 3369), (1123, 2343)]