12838221

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{11789}}^1$

素因数の和:11817

約数の個数: 18

約数和(自身を含む): 20384910

約数和(自身を除く): 7546689

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 11789, 35367, 106101, 129679, 389037, 1167111, 1426469, 4279407, 12838221]

約数ペア:

[(1, 12838221), (3, 4279407), (9, 1426469), (11, 1167111), (33, 389037), (99, 129679), (121, 106101), (363, 35367), (1089, 11789)]