78881049

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{15679}}^1$

素因数の和:15741

約数の個数: 24

約数和(自身を含む): 125565440

約数和(自身を除く): 46684391

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 5031, 15679, 47037, 141111, 203827, 611481, 674197, 1834443, 2022591, 6067773, 8764561, 26293683, 78881049]

約数ペア:

[(1, 78881049), (3, 26293683), (9, 8764561), (13, 6067773), (39, 2022591), (43, 1834443), (117, 674197), (129, 611481), (387, 203827), (559, 141111), (1677, 47037), (5031, 15679)]