13000239

素因数分解:

$3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{719}}^1$

素因数の和:780

約数の個数: 36

約数和(自身を含む): 22407840

約数和(自身を除く): 9407601

約数列:

[1, 3, 7, 9, 21, 41, 49, 63, 123, 147, 287, 369, 441, 719, 861, 2009, 2157, 2583, 5033, 6027, 6471, 15099, 18081, 29479, 35231, 45297, 88437, 105693, 206353, 265311, 317079, 619059, 1444471, 1857177, 4333413, 13000239]

約数ペア:

[(1, 13000239), (3, 4333413), (7, 1857177), (9, 1444471), (21, 619059), (41, 317079), (49, 265311), (63, 206353), (123, 105693), (147, 88437), (287, 45297), (369, 35231), (441, 29479), (719, 18081), (861, 15099), (2009, 6471), (2157, 6027), (2583, 5033)]