77141781

素因数分解:

$3^3\times {\mathrm{37}}^2\times {\mathrm{2087}}^1$

素因数の和:2170

約数の個数: 24

約数和(自身を含む): 117512640

約数和(自身を除く): 40370859

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 1369, 2087, 4107, 6261, 12321, 18783, 36963, 56349, 77219, 231657, 694971, 2084913, 2857103, 8571309, 25713927, 77141781]

約数ペア:

[(1, 77141781), (3, 25713927), (9, 8571309), (27, 2857103), (37, 2084913), (111, 694971), (333, 231657), (999, 77219), (1369, 56349), (2087, 36963), (4107, 18783), (6261, 12321)]