208548207

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{39883}}^1$

素因数の和:39979

約数の個数: 24

約数和(自身を含む): 348426624

約数和(自身を除く): 139878417

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 581, 747, 1743, 5229, 39883, 119649, 279181, 358947, 837543, 2512629, 3310289, 9930867, 23172023, 29792601, 69516069, 208548207]

約数ペア:

[(1, 208548207), (3, 69516069), (7, 29792601), (9, 23172023), (21, 9930867), (63, 3310289), (83, 2512629), (249, 837543), (581, 358947), (747, 279181), (1743, 119649), (5229, 39883)]