81699957

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{1973}}^1$

素因数の和:2129

約数の個数: 24

約数和(自身を含む): 121945824

約数和(自身を除く): 40245867

約数列:

[1, 3, 9, 43, 107, 129, 321, 387, 963, 1973, 4601, 5919, 13803, 17757, 41409, 84839, 211111, 254517, 633333, 763551, 1899999, 9077773, 27233319, 81699957]

約数ペア:

[(1, 81699957), (3, 27233319), (9, 9077773), (43, 1899999), (107, 763551), (129, 633333), (321, 254517), (387, 211111), (963, 84839), (1973, 41409), (4601, 17757), (5919, 13803)]