7864227

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2903}}^1$

素因数の和:2959

約数の個数: 24

約数和(自身を含む): 13288704

約数和(自身を除く): 5424477

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 2903, 8709, 20321, 26127, 60963, 124829, 182889, 374487, 873803, 1123461, 2621409, 7864227]

約数ペア:

[(1, 7864227), (3, 2621409), (7, 1123461), (9, 873803), (21, 374487), (43, 182889), (63, 124829), (129, 60963), (301, 26127), (387, 20321), (903, 8709), (2709, 2903)]