39904767

素因数分解:

$3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{2207}}^1$

素因数の和:2268

約数の個数: 36

約数和(自身を含む): 68717376

約数和(自身を除く): 28812609

約数列:

[1, 3, 7, 9, 21, 41, 49, 63, 123, 147, 287, 369, 441, 861, 2009, 2207, 2583, 6027, 6621, 15449, 18081, 19863, 46347, 90487, 108143, 139041, 271461, 324429, 633409, 814383, 973287, 1900227, 4433863, 5700681, 13301589, 39904767]

約数ペア:

[(1, 39904767), (3, 13301589), (7, 5700681), (9, 4433863), (21, 1900227), (41, 973287), (49, 814383), (63, 633409), (123, 324429), (147, 271461), (287, 139041), (369, 108143), (441, 90487), (861, 46347), (2009, 19863), (2207, 18081), (2583, 15449), (6027, 6621)]