27791631

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{10259}}^1$

素因数の和:10315

約数の個数: 24

約数和(自身を含む): 46949760

約数和(自身を除く): 19158129

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 10259, 30777, 71813, 92331, 215439, 441137, 646317, 1323411, 3087959, 3970233, 9263877, 27791631]

約数ペア:

[(1, 27791631), (3, 9263877), (7, 3970233), (9, 3087959), (21, 1323411), (43, 646317), (63, 441137), (129, 215439), (301, 92331), (387, 71813), (903, 30777), (2709, 10259)]