81552849

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{1559}}^1$

素因数の和:1669

約数の個数: 32

約数和(自身を含む): 129392640

約数和(自身を除く): 47839791

約数列:

[1, 3, 7, 21, 47, 53, 141, 159, 329, 371, 987, 1113, 1559, 2491, 4677, 7473, 10913, 17437, 32739, 52311, 73273, 82627, 219819, 247881, 512911, 578389, 1538733, 1735167, 3883469, 11650407, 27184283, 81552849]

約数ペア:

[(1, 81552849), (3, 27184283), (7, 11650407), (21, 3883469), (47, 1735167), (53, 1538733), (141, 578389), (159, 512911), (329, 247881), (371, 219819), (987, 82627), (1113, 73273), (1559, 52311), (2491, 32739), (4677, 17437), (7473, 10913)]