85516809

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 138200832

約数和(自身を除く): 52684023

約数列:

[1, 3, 7, 21, 43, 49, 83, 129, 147, 163, 249, 301, 489, 581, 903, 1141, 1743, 2107, 3423, 3569, 4067, 6321, 7009, 7987, 10707, 12201, 13529, 21027, 23961, 24983, 40587, 49063, 74949, 94703, 147189, 174881, 284109, 343441, 524643, 581747, 662921, 1030323, 1745241, 1988763, 4072229, 12216687, 28505603, 85516809]

約数ペア:

[(1, 85516809), (3, 28505603), (7, 12216687), (21, 4072229), (43, 1988763), (49, 1745241), (83, 1030323), (129, 662921), (147, 581747), (163, 524643), (249, 343441), (301, 284109), (489, 174881), (581, 147189), (903, 94703), (1141, 74949), (1743, 49063), (2107, 40587), (3423, 24983), (3569, 23961), (4067, 21027), (6321, 13529), (7009, 12201), (7987, 10707)]