49998981

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 71165952

約数和(自身を除く): 21166971

約数列:

[1, 3, 43, 53, 71, 103, 129, 159, 213, 309, 2279, 3053, 3763, 4429, 5459, 6837, 7313, 9159, 11289, 13287, 16377, 21939, 161809, 234737, 314459, 387589, 485427, 704211, 943377, 1162767, 16666327, 49998981]

約数ペア:

[(1, 49998981), (3, 16666327), (43, 1162767), (53, 943377), (71, 704211), (103, 485427), (129, 387589), (159, 314459), (213, 234737), (309, 161809), (2279, 21939), (3053, 16377), (3763, 13287), (4429, 11289), (5459, 9159), (6837, 7313)]