80821377

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{7591}}^1$

素因数の和:7630

約数の個数: 36

約数和(自身を含む): 144490944

約数和(自身を除く): 63669567

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 169, 273, 507, 819, 1183, 1521, 3549, 7591, 10647, 22773, 53137, 68319, 98683, 159411, 296049, 478233, 690781, 888147, 1282879, 2072343, 3848637, 6217029, 8980153, 11545911, 26940459, 80821377]

約数ペア:

[(1, 80821377), (3, 26940459), (7, 11545911), (9, 8980153), (13, 6217029), (21, 3848637), (39, 2072343), (63, 1282879), (91, 888147), (117, 690781), (169, 478233), (273, 296049), (507, 159411), (819, 98683), (1183, 68319), (1521, 53137), (3549, 22773), (7591, 10647)]