123742143

素因数分解:

$3^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{10177}}^1$

素因数の和:10383

約数の個数: 24

約数和(自身を含む): 205351328

約数和(自身を除く): 81609185

約数列:

[1, 3, 7, 9, 21, 63, 193, 579, 1351, 1737, 4053, 10177, 12159, 30531, 71239, 91593, 213717, 641151, 1964161, 5892483, 13749127, 17677449, 41247381, 123742143]

約数ペア:

[(1, 123742143), (3, 41247381), (7, 17677449), (9, 13749127), (21, 5892483), (63, 1964161), (193, 641151), (579, 213717), (1351, 91593), (1737, 71239), (4053, 30531), (10177, 12159)]