27271881

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:171

約数の個数: 72

約数和(自身を含む): 50791104

約数和(自身を除く): 23519223

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 67, 71, 91, 117, 147, 201, 213, 273, 441, 469, 497, 603, 637, 639, 819, 871, 923, 1407, 1491, 1911, 2613, 2769, 3283, 3479, 4221, 4473, 4757, 5733, 6097, 6461, 7839, 8307, 9849, 10437, 14271, 18291, 19383, 29547, 31311, 33299, 42679, 42813, 45227, 54873, 58149, 61841, 99897, 128037, 135681, 185523, 233093, 299691, 384111, 407043, 432887, 556569, 699279, 1298661, 2097837, 3030209, 3895983, 9090627, 27271881]

約数ペア:

[(1, 27271881), (3, 9090627), (7, 3895983), (9, 3030209), (13, 2097837), (21, 1298661), (39, 699279), (49, 556569), (63, 432887), (67, 407043), (71, 384111), (91, 299691), (117, 233093), (147, 185523), (201, 135681), (213, 128037), (273, 99897), (441, 61841), (469, 58149), (497, 54873), (603, 45227), (637, 42813), (639, 42679), (819, 33299), (871, 31311), (923, 29547), (1407, 19383), (1491, 18291), (1911, 14271), (2613, 10437), (2769, 9849), (3283, 8307), (3479, 7839), (4221, 6461), (4473, 6097), (4757, 5733)]