What did Sofia Vasilyevna Kovalevskaya have to do with the number theory?

Sofia Vasilyevna Kovalevskaya was a pioneering Russian mathematician who made significant contributions to various fields, including analysis, differential equations, and mechanics. While her primary work did not focus exclusively on number theory, her advancements in mathematical analysis laid foundational principles that are essential for various branches of mathematics, including number theory. Additionally, her efforts to promote women's participation in mathematics helped pave the way for future generations of mathematicians, including those who would work in number theory.