28512015

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 55157760

約数和(自身を除く): 26645745

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 41, 105, 111, 123, 179, 185, 205, 259, 287, 537, 555, 615, 777, 861, 895, 1253, 1295, 1435, 1517, 2685, 3759, 3885, 4305, 4551, 6265, 6623, 7339, 7585, 10619, 18795, 19869, 22017, 22755, 31857, 33115, 36695, 46361, 51373, 53095, 99345, 110085, 139083, 154119, 159285, 231805, 256865, 271543, 695415, 770595, 814629, 1357715, 1900801, 4073145, 5702403, 9504005, 28512015]

約数ペア:

[(1, 28512015), (3, 9504005), (5, 5702403), (7, 4073145), (15, 1900801), (21, 1357715), (35, 814629), (37, 770595), (41, 695415), (105, 271543), (111, 256865), (123, 231805), (179, 159285), (185, 154119), (205, 139083), (259, 110085), (287, 99345), (537, 53095), (555, 51373), (615, 46361), (777, 36695), (861, 33115), (895, 31857), (1253, 22755), (1295, 22017), (1435, 19869), (1517, 18795), (2685, 10619), (3759, 7585), (3885, 7339), (4305, 6623), (4551, 6265)]