9880866

素因数分解:

$2^1\times 3^9\times {\mathrm{251}}^1$

素因数の和:280

約数の個数: 40

約数和(自身を含む): 22320144

約数和(自身を除く): 12439278

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 251, 486, 502, 729, 753, 1458, 1506, 2187, 2259, 4374, 4518, 6561, 6777, 13122, 13554, 19683, 20331, 39366, 40662, 60993, 121986, 182979, 365958, 548937, 1097874, 1646811, 3293622, 4940433, 9880866]

約数ペア:

[(1, 9880866), (2, 4940433), (3, 3293622), (6, 1646811), (9, 1097874), (18, 548937), (27, 365958), (54, 182979), (81, 121986), (162, 60993), (243, 40662), (251, 39366), (486, 20331), (502, 19683), (729, 13554), (753, 13122), (1458, 6777), (1506, 6561), (2187, 4518), (2259, 4374)]