128427621

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{149161}}^1$

素因数の和:149212

約数の個数: 16

約数和(自身を含む): 200473728

約数和(自身を除く): 72046107

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 149161, 447483, 1044127, 3132381, 6115601, 18346803, 42809207, 128427621]

約数ペア:

[(1, 128427621), (3, 42809207), (7, 18346803), (21, 6115601), (41, 3132381), (123, 1044127), (287, 447483), (861, 149161)]