27239121

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 49154560

約数和(自身を除く): 21915439

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 79, 91, 117, 237, 273, 421, 553, 711, 819, 1027, 1263, 1659, 2947, 3081, 3789, 4977, 5473, 7189, 8841, 9243, 16419, 21567, 26523, 33259, 38311, 49257, 64701, 99777, 114933, 232813, 299331, 344799, 432367, 698439, 1297101, 2095317, 3026569, 3891303, 9079707, 27239121]

約数ペア:

[(1, 27239121), (3, 9079707), (7, 3891303), (9, 3026569), (13, 2095317), (21, 1297101), (39, 698439), (63, 432367), (79, 344799), (91, 299331), (117, 232813), (237, 114933), (273, 99777), (421, 64701), (553, 49257), (711, 38311), (819, 33259), (1027, 26523), (1263, 21567), (1659, 16419), (2947, 9243), (3081, 8841), (3789, 7189), (4977, 5473)]