51578331

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{313}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 85910400

約数和(自身を除く): 34332069

約数列:

[1, 3, 7, 19, 21, 49, 57, 59, 133, 147, 177, 313, 399, 413, 931, 939, 1121, 1239, 2191, 2793, 2891, 3363, 5947, 6573, 7847, 8673, 15337, 17841, 18467, 23541, 41629, 46011, 54929, 55401, 124887, 129269, 164787, 291403, 350873, 387807, 874209, 904883, 1052619, 2456111, 2714649, 7368333, 17192777, 51578331]

約数ペア:

[(1, 51578331), (3, 17192777), (7, 7368333), (19, 2714649), (21, 2456111), (49, 1052619), (57, 904883), (59, 874209), (133, 387807), (147, 350873), (177, 291403), (313, 164787), (399, 129269), (413, 124887), (931, 55401), (939, 54929), (1121, 46011), (1239, 41629), (2191, 23541), (2793, 18467), (2891, 17841), (3363, 15337), (5947, 8673), (6573, 7847)]