25223121

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2141}}^1$

素因数の和:2182

約数の個数: 48

約数和(自身を含む): 48117888

約数和(自身を除く): 22894767

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 51, 63, 77, 99, 119, 153, 187, 231, 357, 561, 693, 1071, 1309, 1683, 2141, 3927, 6423, 11781, 14987, 19269, 23551, 36397, 44961, 70653, 109191, 134883, 164857, 211959, 254779, 327573, 400367, 494571, 764337, 1201101, 1483713, 2293011, 2802569, 3603303, 8407707, 25223121]

約数ペア:

[(1, 25223121), (3, 8407707), (7, 3603303), (9, 2802569), (11, 2293011), (17, 1483713), (21, 1201101), (33, 764337), (51, 494571), (63, 400367), (77, 327573), (99, 254779), (119, 211959), (153, 164857), (187, 134883), (231, 109191), (357, 70653), (561, 44961), (693, 36397), (1071, 23551), (1309, 19269), (1683, 14987), (2141, 11781), (3927, 6423)]