2556213

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1091}}^1$

素因数の和:1176

約数の個数: 16

約数和(自身を含む): 3773952

約数和(自身を除く): 1217739

約数列:

[1, 3, 11, 33, 71, 213, 781, 1091, 2343, 3273, 12001, 36003, 77461, 232383, 852071, 2556213]

約数ペア:

[(1, 2556213), (3, 852071), (11, 232383), (33, 77461), (71, 36003), (213, 12001), (781, 3273), (1091, 2343)]