80728857

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{22039}}^1$

素因数の和:22093

約数の個数: 24

約数和(自身を含む): 130653120

約数和(自身を除く): 49924263

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 333, 407, 1221, 3663, 22039, 66117, 198351, 242429, 727287, 815443, 2181861, 2446329, 7338987, 8969873, 26909619, 80728857]

約数ペア:

[(1, 80728857), (3, 26909619), (9, 8969873), (11, 7338987), (33, 2446329), (37, 2181861), (99, 815443), (111, 727287), (333, 242429), (407, 198351), (1221, 66117), (3663, 22039)]