211036221

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{193789}}^1$

素因数の和:193817

約数の個数: 18

約数和(自身を含む): 335062910

約数和(自身を除く): 124026689

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 193789, 581367, 1744101, 2131679, 6395037, 19185111, 23448469, 70345407, 211036221]

約数ペア:

[(1, 211036221), (3, 70345407), (9, 23448469), (11, 19185111), (33, 6395037), (99, 2131679), (121, 1744101), (363, 581367), (1089, 193789)]