208965939

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2543}}^1$

素因数の和:2616

約数の個数: 48

約数和(自身を含む): 357299712

約数和(自身を除く): 148333773

約数列:

[1, 3, 7, 13, 21, 39, 43, 49, 91, 129, 147, 273, 301, 559, 637, 903, 1677, 1911, 2107, 2543, 3913, 6321, 7629, 11739, 17801, 27391, 33059, 53403, 82173, 99177, 109349, 124607, 231413, 328047, 373821, 694239, 765443, 1421537, 1619891, 2296329, 4264611, 4859673, 5358101, 9950759, 16074303, 29852277, 69655313, 208965939]

約数ペア:

[(1, 208965939), (3, 69655313), (7, 29852277), (13, 16074303), (21, 9950759), (39, 5358101), (43, 4859673), (49, 4264611), (91, 2296329), (129, 1619891), (147, 1421537), (273, 765443), (301, 694239), (559, 373821), (637, 328047), (903, 231413), (1677, 124607), (1911, 109349), (2107, 99177), (2543, 82173), (3913, 53403), (6321, 33059), (7629, 27391), (11739, 17801)]