12742389

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{11701}}^1$

素因数の和:11729

約数の個数: 18

約数和(自身を含む): 20232758

約数和(自身を除く): 7490369

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 11701, 35103, 105309, 128711, 386133, 1158399, 1415821, 4247463, 12742389]

約数ペア:

[(1, 12742389), (3, 4247463), (9, 1415821), (11, 1158399), (33, 386133), (99, 128711), (121, 105309), (363, 35103), (1089, 11701)]