2981721093

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1778009}}^1$

素因数の和:1778068

約数の個数: 16

約数和(自身を含む): 4381016640

約数和(自身を除く): 1399295547

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 1778009, 5334027, 23114117, 69342351, 76454387, 229363161, 993907031, 2981721093]

約数ペア:

[(1, 2981721093), (3, 993907031), (13, 229363161), (39, 76454387), (43, 69342351), (129, 23114117), (559, 5334027), (1677, 1778009)]