A018564 - OEIS

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A018564

Divisors of 639.

0

1, 3, 9, 71, 213, 639

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

LINKS

Table of n, a(n) for n=1..6.

Index entries for sequences related to divisors of numbers

MAPLE

numtheory[divisors](639); # Wesley Ivan Hurt, Apr 10 2017

MATHEMATICA

Divisors[639] (* Wesley Ivan Hurt, Sep 04 2022 *)

PROG

(PARI) divisors(639) \\ Charles R Greathouse IV, Jun 23 2017

CROSSREFS

Sequence in context: A276475 A084543 A318030 * A004167 A321539 A163632

Adjacent sequences: A018561 A018562 A018563 * A018565 A018566 A018567

KEYWORD

nonn,fini,full,easy

AUTHOR

N. J. A. Sloane

STATUS

approved