27821989

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{701}}^1$

素因数の和:828

約数の個数: 16

約数和(自身を含む): 31135104

約数和(自身を除く): 3313115

約数列:

[1, 13, 43, 71, 559, 701, 923, 3053, 9113, 30143, 39689, 49771, 391859, 647023, 2140153, 27821989]

約数ペア:

[(1, 27821989), (13, 2140153), (43, 647023), (71, 391859), (559, 49771), (701, 39689), (923, 30143), (3053, 9113)]