813978081

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{433}}^1\times {\mathrm{563}}^1$

素因数の和:1062

約数の個数: 48

約数和(自身を含む): 1374662016

約数和(自身を除く): 560683935

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 433, 477, 563, 1113, 1299, 1689, 3031, 3339, 3897, 3941, 5067, 9093, 11823, 22949, 27279, 29839, 35469, 68847, 89517, 160643, 206541, 208873, 243779, 268551, 481929, 626619, 731337, 1445787, 1706453, 1879857, 2194011, 5119359, 12920287, 15358077, 38760861, 90442009, 116282583, 271326027, 813978081]

約数ペア:

[(1, 813978081), (3, 271326027), (7, 116282583), (9, 90442009), (21, 38760861), (53, 15358077), (63, 12920287), (159, 5119359), (371, 2194011), (433, 1879857), (477, 1706453), (563, 1445787), (1113, 731337), (1299, 626619), (1689, 481929), (3031, 268551), (3339, 243779), (3897, 208873), (3941, 206541), (5067, 160643), (9093, 89517), (11823, 68847), (22949, 35469), (27279, 29839)]