80715519

素因数分解:

$3^2\times {\mathrm{131}}^1\times {\mathrm{223}}^1\times {\mathrm{307}}^1$

素因数の和:667

約数の個数: 24

約数和(自身を含む): 118390272

約数和(自身を除く): 37674753

約数列:

[1, 3, 9, 131, 223, 307, 393, 669, 921, 1179, 2007, 2763, 29213, 40217, 68461, 87639, 120651, 205383, 262917, 361953, 616149, 8968391, 26905173, 80715519]

約数ペア:

[(1, 80715519), (3, 26905173), (9, 8968391), (131, 616149), (223, 361953), (307, 262917), (393, 205383), (669, 120651), (921, 87639), (1179, 68461), (2007, 40217), (2763, 29213)]