81241866

素因数分解:

$2^1\times 3^4\times {\mathrm{501493}}^1$

素因数の和:501507

約数の個数: 20

約数和(自身を含む): 182042322

約数和(自身を除く): 100800456

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 501493, 1002986, 1504479, 3008958, 4513437, 9026874, 13540311, 27080622, 40620933, 81241866]

約数ペア:

[(1, 81241866), (2, 40620933), (3, 27080622), (6, 13540311), (9, 9026874), (18, 4513437), (27, 3008958), (54, 1504479), (81, 1002986), (162, 501493)]