28675089

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{1669}}^1$

素因数の和:1781

約数の個数: 24

約数和(自身を含む): 43767360

約数和(自身を除く): 15092271

約数列:

[1, 3, 9, 23, 69, 83, 207, 249, 747, 1669, 1909, 5007, 5727, 15021, 17181, 38387, 115161, 138527, 345483, 415581, 1246743, 3186121, 9558363, 28675089]

約数ペア:

[(1, 28675089), (3, 9558363), (9, 3186121), (23, 1246743), (69, 415581), (83, 345483), (207, 138527), (249, 115161), (747, 38387), (1669, 17181), (1909, 15021), (5007, 5727)]