27748287

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{10243}}^1$

素因数の和:10299

約数の個数: 24

約数和(自身を含む): 46876544

約数和(自身を除く): 19128257

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 10243, 30729, 71701, 92187, 215103, 440449, 645309, 1321347, 3083143, 3964041, 9249429, 27748287]

約数ペア:

[(1, 27748287), (3, 9249429), (7, 3964041), (9, 3083143), (21, 1321347), (43, 645309), (63, 440449), (129, 215103), (301, 92187), (387, 71701), (903, 30729), (2709, 10243)]