208540629

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{797}}^1\times {\mathrm{881}}^1$

素因数の和:1698

約数の個数: 32

約数和(自身を含む): 337841280

約数和(自身を除く): 129300651

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 797, 881, 2391, 2643, 7173, 7929, 8767, 9691, 21519, 23787, 26301, 29073, 78903, 87219, 236709, 261657, 702157, 2106471, 6319413, 7723727, 18958239, 23171181, 69513543, 208540629]

約数ペア:

[(1, 208540629), (3, 69513543), (9, 23171181), (11, 18958239), (27, 7723727), (33, 6319413), (99, 2106471), (297, 702157), (797, 261657), (881, 236709), (2391, 87219), (2643, 78903), (7173, 29073), (7929, 26301), (8767, 23787), (9691, 21519)]