1939059

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{647}}^1$

素因数の和:696

約数の個数: 20

約数和(自身を含む): 2979504

約数和(自身を除く): 1040445

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 647, 999, 1941, 2997, 5823, 17469, 23939, 52407, 71817, 215451, 646353, 1939059]

約数ペア:

[(1, 1939059), (3, 646353), (9, 215451), (27, 71817), (37, 52407), (81, 23939), (111, 17469), (333, 5823), (647, 2997), (999, 1941)]