291210147

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{83609}}^1$

素因数の和:83664

約数の個数: 20

約数和(自身を含む): 445139640

約数和(自身を除く): 153929493

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 83609, 250827, 752481, 2257443, 3595187, 6772329, 10785561, 32356683, 97070049, 291210147]

約数ペア:

[(1, 291210147), (3, 97070049), (9, 32356683), (27, 10785561), (43, 6772329), (81, 3595187), (129, 2257443), (387, 752481), (1161, 250827), (3483, 83609)]