25887591

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{443}}^1$

素因数の和:643

約数の個数: 24

約数和(自身を含む): 38603136

約数和(自身を除く): 12715545

約数列:

[1, 3, 9, 43, 129, 151, 387, 443, 453, 1329, 1359, 3987, 6493, 19049, 19479, 57147, 58437, 66893, 171441, 200679, 602037, 2876399, 8629197, 25887591]

約数ペア:

[(1, 25887591), (3, 8629197), (9, 2876399), (43, 602037), (129, 200679), (151, 171441), (387, 66893), (443, 58437), (453, 57147), (1329, 19479), (1359, 19049), (3987, 6493)]