43046721

43046721 is a natural number that equals 3^16. Its prime factorization is 3^16, so it is composite. Because the exponent is even, it is a perfect square (3^8)^2, a perfect fourth power (3^4)^4, an eighth power (3^2)^8, and a sixteenth power (3)^16.

All divisors are powers of 3: 1, 3, 9, 27, 81, 243, 729, 2187, 6561, 19683, 59049, 177147, 531441, 1594323, 4782969, 14348907, 43046721. There are 17 divisors in total. The sum of its divisors is (3^17 - 1) / (3 - 1) = 64570081.

In decimal notation, 43046721 has eight digits. Since it is a power of 3, it is also represented in base 3 as 1 followed by sixteen zeros. As a pure prime power, it serves as a straightforward example of a perfect power in number theory. It does not belong to many notable special sequences beyond illustrating the properties of powers of a single prime.