187082721

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2141}}^1$

素因数の和:2246

約数の個数: 48

約数和(自身を含む): 329696640

約数和(自身を除く): 142613919

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 73, 133, 171, 219, 399, 511, 657, 1197, 1387, 1533, 2141, 4161, 4599, 6423, 9709, 12483, 14987, 19269, 29127, 40679, 44961, 87381, 122037, 134883, 156293, 284753, 366111, 468879, 854259, 1094051, 1406637, 2562777, 2969567, 3282153, 8908701, 9846459, 20786969, 26726103, 62360907, 187082721]

約数ペア:

[(1, 187082721), (3, 62360907), (7, 26726103), (9, 20786969), (19, 9846459), (21, 8908701), (57, 3282153), (63, 2969567), (73, 2562777), (133, 1406637), (171, 1094051), (219, 854259), (399, 468879), (511, 366111), (657, 284753), (1197, 156293), (1387, 134883), (1533, 122037), (2141, 87381), (4161, 44961), (4599, 40679), (6423, 29127), (9709, 19269), (12483, 14987)]