201871197

素因数分解:

$3^4\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{479}}^1$

素因数の和:556

約数の個数: 60

約数和(自身を含む): 339884160

約数和(自身を除く): 138012963

約数列:

[1, 3, 9, 11, 27, 33, 43, 81, 99, 121, 129, 297, 363, 387, 473, 479, 891, 1089, 1161, 1419, 1437, 3267, 3483, 4257, 4311, 5203, 5269, 9801, 12771, 12933, 15609, 15807, 20597, 38313, 38799, 46827, 47421, 57959, 61791, 140481, 142263, 173877, 185373, 226567, 421443, 426789, 521631, 556119, 679701, 1564893, 1668357, 2039103, 2492237, 4694679, 6117309, 7476711, 18351927, 22430133, 67290399, 201871197]

約数ペア:

[(1, 201871197), (3, 67290399), (9, 22430133), (11, 18351927), (27, 7476711), (33, 6117309), (43, 4694679), (81, 2492237), (99, 2039103), (121, 1668357), (129, 1564893), (297, 679701), (363, 556119), (387, 521631), (473, 426789), (479, 421443), (891, 226567), (1089, 185373), (1161, 173877), (1419, 142263), (1437, 140481), (3267, 61791), (3483, 57959), (4257, 47421), (4311, 46827), (5203, 38799), (5269, 38313), (9801, 20597), (12771, 15807), (12933, 15609)]