42542019

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{15809}}^1$

素因数の和:15851

約数の個数: 24

約数和(自身を含む): 69058080

約数和(自身を除く): 26516061

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 15809, 47427, 142281, 205517, 363607, 616551, 1090821, 1849653, 3272463, 4726891, 14180673, 42542019]

約数ペア:

[(1, 42542019), (3, 14180673), (9, 4726891), (13, 3272463), (23, 1849653), (39, 1090821), (69, 616551), (117, 363607), (207, 205517), (299, 142281), (897, 47427), (2691, 15809)]