11988081

素因数分解:

$3^4\times 7^1\times {\mathrm{21143}}^1$

素因数の和:21162

約数の個数: 20

約数和(自身を含む): 20467392

約数和(自身を除く): 8479311

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 21143, 63429, 148001, 190287, 444003, 570861, 1332009, 1712583, 3996027, 11988081]

約数ペア:

[(1, 11988081), (3, 3996027), (7, 1712583), (9, 1332009), (21, 570861), (27, 444003), (63, 190287), (81, 148001), (189, 63429), (567, 21143)]