81690841

素因数分解:

${\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{487}}^1$

素因数の和:660

約数の個数: 16

約数和(自身を含む): 86575104

約数和(自身を除く): 4884263

約数列:

[1, 43, 47, 83, 487, 2021, 3569, 3901, 20941, 22889, 40421, 167743, 984227, 1738103, 1899787, 81690841]

約数ペア:

[(1, 81690841), (43, 1899787), (47, 1738103), (83, 984227), (487, 167743), (2021, 40421), (3569, 22889), (3901, 20941)]