205386903

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{499}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 327600000

約数和(自身を除く): 122213097

約数列:

[1, 3, 9, 19, 29, 57, 83, 87, 171, 249, 261, 499, 551, 747, 1497, 1577, 1653, 2407, 4491, 4731, 4959, 7221, 9481, 14193, 14471, 21663, 28443, 41417, 43413, 45733, 85329, 124251, 130239, 137199, 274949, 372753, 411597, 786923, 824847, 1201093, 2360769, 2474541, 3603279, 7082307, 10809837, 22820767, 68462301, 205386903]

約数ペア:

[(1, 205386903), (3, 68462301), (9, 22820767), (19, 10809837), (29, 7082307), (57, 3603279), (83, 2474541), (87, 2360769), (171, 1201093), (249, 824847), (261, 786923), (499, 411597), (551, 372753), (747, 274949), (1497, 137199), (1577, 130239), (1653, 124251), (2407, 85329), (4491, 45733), (4731, 43413), (4959, 41417), (7221, 28443), (9481, 21663), (14193, 14471)]