Alaska is about 523 times bigger than Samoa.

Samoa is approximately 2,831 sq km, while Alaska is approximately 1,481,348 sq km, making Alaska 52,226% larger than Samoa. Meanwhile, the population of Samoa is ~206,179 people (504,052 more people live in Alaska).
Tip: This to-scale comparison of Samoa vs. Alaska uses the Mercator projection, which distorts the size of regions near the poles.