28951567689

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1789}}^1\times {\mathrm{6907}}^1$

素因数の和:8781

約数の個数: 32

約数和(自身を含む): 42734545920

約数和(自身を除く): 13782978231

約数列:

[1, 3, 11, 33, 71, 213, 781, 1789, 2343, 5367, 6907, 19679, 20721, 59037, 75977, 127019, 227931, 381057, 490397, 1397209, 1471191, 4191627, 5394367, 12356623, 16183101, 37069869, 135922853, 407768559, 877320233, 2631960699, 9650522563, 28951567689]

約数ペア:

[(1, 28951567689), (3, 9650522563), (11, 2631960699), (33, 877320233), (71, 407768559), (213, 135922853), (781, 37069869), (1789, 16183101), (2343, 12356623), (5367, 5394367), (6907, 4191627), (19679, 1471191), (20721, 1397209), (59037, 490397), (75977, 381057), (127019, 227931)]