208549648503

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{7309}}^1\times {\mathrm{6379}}^1$

素因数の和:13772

約数の個数: 48

約数和(自身を含む): 349223846400

約数和(自身を除く): 140674197897

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 6379, 7309, 19137, 21927, 44653, 51163, 57411, 65781, 133959, 153489, 401877, 452909, 460467, 518939, 1358727, 1556817, 3170363, 3632573, 4076181, 4670451, 9511089, 10897719, 28533267, 32693157, 46624111, 139872333, 326368777, 419616999, 979106331, 2937318993, 3310311881, 9930935643, 23172183167, 29792806929, 69516549501, 208549648503]

約数ペア:

[(1, 208549648503), (3, 69516549501), (7, 29792806929), (9, 23172183167), (21, 9930935643), (63, 3310311881), (71, 2937318993), (213, 979106331), (497, 419616999), (639, 326368777), (1491, 139872333), (4473, 46624111), (6379, 32693157), (7309, 28533267), (19137, 10897719), (21927, 9511089), (44653, 4670451), (51163, 4076181), (57411, 3632573), (65781, 3170363), (133959, 1556817), (153489, 1358727), (401877, 518939), (452909, 460467)]