81967473

素因数分解:

$3^2\times 7^1\times {\mathrm{271}}^1\times {\mathrm{4801}}^1$

素因数の和:5085

約数の個数: 24

約数和(自身を含む): 135838976

約数和(自身を除く): 53871503

約数列:

[1, 3, 7, 9, 21, 63, 271, 813, 1897, 2439, 4801, 5691, 14403, 17073, 33607, 43209, 100821, 302463, 1301071, 3903213, 9107497, 11709639, 27322491, 81967473]

約数ペア:

[(1, 81967473), (3, 27322491), (7, 11709639), (9, 9107497), (21, 3903213), (63, 1301071), (271, 302463), (813, 100821), (1897, 43209), (2439, 33607), (4801, 17073), (5691, 14403)]