208601967

素因数分解:

$3^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{5479}}^1$

素因数の和:5540

約数の個数: 32

約数和(自身を含む): 333184000

約数和(自身を除く): 124582033

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 343, 777, 1029, 1813, 5439, 5479, 12691, 16437, 38073, 38353, 115059, 202723, 268471, 608169, 805413, 1419061, 1879297, 4257183, 5637891, 9933427, 29800281, 69533989, 208601967]

約数ペア:

[(1, 208601967), (3, 69533989), (7, 29800281), (21, 9933427), (37, 5637891), (49, 4257183), (111, 1879297), (147, 1419061), (259, 805413), (343, 608169), (777, 268471), (1029, 202723), (1813, 115059), (5439, 38353), (5479, 38073), (12691, 16437)]