The largest production of the earlier-war Soviet planes in order were: Yak-1, LaGG-3, then Mig 3. Of the three, the Mig 3 is at a huge disadvantage because of its underpowered guns.
Yak-1, 8720
Yak-7, 6339
LaGG-3, 6258
La-7, 5753
P-39, 5007 (from US)
Yak-3, 4848
MiG-3, 3120