Example:The Φ(n), σ0, and σ1 Functions
The following example illustrates the use of the { phi }, { d }, and { sig } selections from the NUMBER THEORY menu.
Example
For the number 60, find the number of relative primes, the number of divisors, and the sum of the divisors.
Procedure |
Press |
Display |
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| Select the program. | [ RUN ] { MTH } { --> } { --> } { NUM } |
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| Find the number of relative primes | 60 { phi } |  |
| Find the number of divisors | 60 { d } |  |
| Find the sum of the divisors | 60 { sig } |  |
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