28237407

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{727}}^1$

素因数の和:859

約数の個数: 24

約数和(自身を含む): 41827968

約数和(自身を除く): 13590561

約数列:

[1, 3, 11, 33, 107, 121, 321, 363, 727, 1177, 2181, 3531, 7997, 12947, 23991, 38841, 77789, 87967, 233367, 263901, 855679, 2567037, 9412469, 28237407]

約数ペア:

[(1, 28237407), (3, 9412469), (11, 2567037), (33, 855679), (107, 263901), (121, 233367), (321, 87967), (363, 77789), (727, 38841), (1177, 23991), (2181, 12947), (3531, 7997)]