199940961

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{7583}}^1$

素因数の和:7661

約数の個数: 32

約数和(自身を含む): 314523648

約数和(自身を除く): 114582687

約数列:

[1, 3, 11, 17, 33, 47, 51, 141, 187, 517, 561, 799, 1551, 2397, 7583, 8789, 22749, 26367, 83413, 128911, 250239, 356401, 386733, 1069203, 1418021, 3920411, 4254063, 6058817, 11761233, 18176451, 66646987, 199940961]

約数ペア:

[(1, 199940961), (3, 66646987), (11, 18176451), (17, 11761233), (33, 6058817), (47, 4254063), (51, 3920411), (141, 1418021), (187, 1069203), (517, 386733), (561, 356401), (799, 250239), (1551, 128911), (2397, 83413), (7583, 26367), (8789, 22749)]