Montenegro is about 107 times smaller than Alaska.

Alaska is approximately 1,481,348 sq km, while Montenegro is approximately 13,812 sq km, making Montenegro 0.93% the size of Alaska. Meanwhile, the population of Alaska is ~710,231 people (105,265 fewer people live in Montenegro).
Tip: This to-scale comparison of Alaska vs. Montenegro uses the Mercator projection, which distorts the size of regions near the poles.