Pillai's arithmetical function
id:
pillai-s-arithmetical-function-304-11020830
title:
Pillai's arithmetical function
text:
In number theory, the gcd-sum function,
also called Pillai's arithmetical function, is defined for every n by or equivalently where d is a divisor of n and φ is Euler's totient function. it also can be written as where, τ is the divisor function, and μ is the Möbius function. This multiplicative arithmetical function was introduced by the Indian mathematician Subbayya Sivasankaranarayana Pillai in 1933.
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https://en.wikipedia.org/wiki/Pillai%27s_arithmetical_function
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date modified:
2024-04-13T14:03:27Z
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