128721879

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{11113}}^1$

素因数の和:11149

約数の個数: 40

約数和(自身を含む): 225925392

約数和(自身を除く): 97203513

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 81, 99, 117, 143, 297, 351, 429, 891, 1053, 1287, 3861, 11113, 11583, 33339, 100017, 122243, 144469, 300051, 366729, 433407, 900153, 1100187, 1300221, 1589159, 3300561, 3900663, 4767477, 9901683, 11701989, 14302431, 42907293, 128721879]

約数ペア:

[(1, 128721879), (3, 42907293), (9, 14302431), (11, 11701989), (13, 9901683), (27, 4767477), (33, 3900663), (39, 3300561), (81, 1589159), (99, 1300221), (117, 1100187), (143, 900153), (297, 433407), (351, 366729), (429, 300051), (891, 144469), (1053, 122243), (1287, 100017), (3861, 33339), (11113, 11583)]