26897661

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{9929}}^1$

素因数の和:9985

約数の個数: 24

約数和(自身を含む): 45439680

約数和(自身を除く): 18542019

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 9929, 29787, 69503, 89361, 208509, 426947, 625527, 1280841, 2988629, 3842523, 8965887, 26897661]

約数ペア:

[(1, 26897661), (3, 8965887), (7, 3842523), (9, 2988629), (21, 1280841), (43, 625527), (63, 426947), (129, 208509), (301, 89361), (387, 69503), (903, 29787), (2709, 9929)]