在python中如何表示因子分解中的素因子重数

def prime_factors(n):
    factors = {}
    i = 2
    while i * i <= n:
        if n % i:
            i += 1
        else:
            n //= i
            if i in factors:
                factors[i] += 1
            else:
                factors[i] = 1
    if n > 1:
        if n in factors:
            factors[n] += 1
        else:
            factors[n] = 1
    return factors

number = 84
factors = prime_factors(number)
print("Number:", number)
print("Prime Factors:", factors)

Number: 84
Prime Factors: {2: 2, 3: 1, 7: 1}