12521355

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{293}}^1$

素因数の和:356

約数の個数: 64

約数和(自身を含む): 25740288

約数和(自身を除く): 13218933

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 37, 55, 77, 105, 111, 165, 185, 231, 259, 293, 385, 407, 555, 777, 879, 1155, 1221, 1295, 1465, 2035, 2051, 2849, 3223, 3885, 4395, 6105, 6153, 8547, 9669, 10255, 10841, 14245, 16115, 22561, 30765, 32523, 42735, 48345, 54205, 67683, 75887, 112805, 119251, 162615, 227661, 338415, 357753, 379435, 596255, 834757, 1138305, 1788765, 2504271, 4173785, 12521355]

約数ペア:

[(1, 12521355), (3, 4173785), (5, 2504271), (7, 1788765), (11, 1138305), (15, 834757), (21, 596255), (33, 379435), (35, 357753), (37, 338415), (55, 227661), (77, 162615), (105, 119251), (111, 112805), (165, 75887), (185, 67683), (231, 54205), (259, 48345), (293, 42735), (385, 32523), (407, 30765), (555, 22561), (777, 16115), (879, 14245), (1155, 10841), (1221, 10255), (1295, 9669), (1465, 8547), (2035, 6153), (2051, 6105), (2849, 4395), (3223, 3885)]