28613968227

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{382729}}^1$

素因数の和:382825

約数の個数: 40

約数和(自身を含む): 46680812640

約数和(自身を除く): 18066844413

約数列:

[1, 3, 9, 13, 27, 39, 71, 81, 117, 213, 351, 639, 923, 1053, 1917, 2769, 5751, 8307, 24921, 74763, 382729, 1148187, 3444561, 4975477, 10333683, 14926431, 27173759, 31001049, 44779293, 81521277, 134337879, 244563831, 353258867, 403013637, 733691493, 1059776601, 2201074479, 3179329803, 9537989409, 28613968227]

約数ペア:

[(1, 28613968227), (3, 9537989409), (9, 3179329803), (13, 2201074479), (27, 1059776601), (39, 733691493), (71, 403013637), (81, 353258867), (117, 244563831), (213, 134337879), (351, 81521277), (639, 44779293), (923, 31001049), (1053, 27173759), (1917, 14926431), (2769, 10333683), (5751, 4975477), (8307, 3444561), (24921, 1148187), (74763, 382729)]