208593

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1$

素因数の和:74

約数の個数: 36

約数和(自身を含む): 391248

約数和(自身を除く): 182655

約数列:

[1, 3, 7, 9, 11, 21, 33, 43, 49, 63, 77, 99, 129, 147, 231, 301, 387, 441, 473, 539, 693, 903, 1419, 1617, 2107, 2709, 3311, 4257, 4851, 6321, 9933, 18963, 23177, 29799, 69531, 208593]

約数ペア:

[(1, 208593), (3, 69531), (7, 29799), (9, 23177), (11, 18963), (21, 9933), (33, 6321), (43, 4851), (49, 4257), (63, 3311), (77, 2709), (99, 2107), (129, 1617), (147, 1419), (231, 903), (301, 693), (387, 539), (441, 473)]