51531249

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 92160000

約数和(自身を除く): 40628751

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 59, 77, 133, 177, 199, 209, 231, 399, 413, 597, 627, 649, 1121, 1239, 1393, 1463, 1947, 2189, 3363, 3781, 4179, 4389, 4543, 6567, 7847, 11343, 11741, 12331, 13629, 15323, 23541, 26467, 35223, 36993, 41591, 45969, 79401, 82187, 86317, 124773, 129151, 223079, 246561, 258951, 291137, 387453, 669237, 873411, 904057, 1561553, 2453869, 2712171, 4684659, 7361607, 17177083, 51531249]

約数ペア:

[(1, 51531249), (3, 17177083), (7, 7361607), (11, 4684659), (19, 2712171), (21, 2453869), (33, 1561553), (57, 904057), (59, 873411), (77, 669237), (133, 387453), (177, 291137), (199, 258951), (209, 246561), (231, 223079), (399, 129151), (413, 124773), (597, 86317), (627, 82187), (649, 79401), (1121, 45969), (1239, 41591), (1393, 36993), (1463, 35223), (1947, 26467), (2189, 23541), (3363, 15323), (3781, 13629), (4179, 12331), (4389, 11741), (4543, 11343), (6567, 7847)]