404219997

素因数分解:

$3^3\times {\mathrm{727}}^1\times {\mathrm{20593}}^1$

素因数の和:21329

約数の個数: 16

約数和(自身を含む): 599697280

約数和(自身を除く): 195477283

約数列:

[1, 3, 9, 27, 727, 2181, 6543, 19629, 20593, 61779, 185337, 556011, 14971111, 44913333, 134739999, 404219997]

約数ペア:

[(1, 404219997), (3, 134739999), (9, 44913333), (27, 14971111), (727, 556011), (2181, 185337), (6543, 61779), (19629, 20593)]