85719081

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 138682368

約数和(自身を除く): 52963287

約数列:

[1, 3, 7, 21, 43, 49, 71, 129, 147, 191, 213, 301, 497, 573, 903, 1337, 1491, 2107, 3053, 3479, 4011, 6321, 8213, 9159, 9359, 10437, 13561, 21371, 24639, 28077, 40683, 57491, 64113, 94927, 149597, 172473, 284781, 402437, 448791, 583123, 664489, 1207311, 1749369, 1993467, 4081861, 12245583, 28573027, 85719081]

約数ペア:

[(1, 85719081), (3, 28573027), (7, 12245583), (21, 4081861), (43, 1993467), (49, 1749369), (71, 1207311), (129, 664489), (147, 583123), (191, 448791), (213, 402437), (301, 284781), (497, 172473), (573, 149597), (903, 94927), (1337, 64113), (1491, 57491), (2107, 40683), (3053, 28077), (3479, 24639), (4011, 21371), (6321, 13561), (8213, 10437), (9159, 9359)]