51789759

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{691}}^1$

素因数の和:827

約数の個数: 32

約数和(自身を含む): 81844224

約数和(自身を除く): 30054465

約数列:

[1, 3, 7, 21, 43, 83, 129, 249, 301, 581, 691, 903, 1743, 2073, 3569, 4837, 10707, 14511, 24983, 29713, 57353, 74949, 89139, 172059, 207991, 401471, 623973, 1204413, 2466179, 7398537, 17263253, 51789759]

約数ペア:

[(1, 51789759), (3, 17263253), (7, 7398537), (21, 2466179), (43, 1204413), (83, 623973), (129, 401471), (249, 207991), (301, 172059), (581, 89139), (691, 74949), (903, 57353), (1743, 29713), (2073, 24983), (3569, 14511), (4837, 10707)]