Nice subsets

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Mikahs is fond of mathematics and his favourite topic is Sets. He boasts of his knowledge in this topic and Ramu the mathematician is jealous of Mikahs. To take him down, Ramu prepares a tough challenge for Mikahs. He first describes a new quantity for numbers discovered by him. For a number X, the product of prime divisors of X is defined as the Niceness value of X by Ramu. For Eg. X = 36, 36 =

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solution.cppC++17

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