198967671

素因数分解:

$3^5\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2207}}^1$

素因数の和:2282

約数の個数: 48

約数和(自身を含む): 347203584

約数和(自身を除く): 148235913

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 81, 159, 189, 243, 371, 477, 567, 1113, 1431, 1701, 2207, 3339, 4293, 6621, 10017, 12879, 15449, 19863, 30051, 46347, 59589, 90153, 116971, 139041, 178767, 350913, 417123, 536301, 818797, 1052739, 1251369, 2456391, 3158217, 3754107, 7369173, 9474651, 22107519, 28423953, 66322557, 198967671]

約数ペア:

[(1, 198967671), (3, 66322557), (7, 28423953), (9, 22107519), (21, 9474651), (27, 7369173), (53, 3754107), (63, 3158217), (81, 2456391), (159, 1251369), (189, 1052739), (243, 818797), (371, 536301), (477, 417123), (567, 350913), (1113, 178767), (1431, 139041), (1701, 116971), (2207, 90153), (3339, 59589), (4293, 46347), (6621, 30051), (10017, 19863), (12879, 15449)]