391201629

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{38729}}^1$

素因数の和:38789

約数の個数: 32

約数和(自身を含む): 659339520

約数和(自身を除く): 268137891

約数列:

[1, 3, 7, 13, 21, 37, 39, 91, 111, 259, 273, 481, 777, 1443, 3367, 10101, 38729, 116187, 271103, 503477, 813309, 1432973, 1510431, 3524339, 4298919, 10030811, 10573017, 18628649, 30092433, 55885947, 130400543, 391201629]

約数ペア:

[(1, 391201629), (3, 130400543), (7, 55885947), (13, 30092433), (21, 18628649), (37, 10573017), (39, 10030811), (91, 4298919), (111, 3524339), (259, 1510431), (273, 1432973), (481, 813309), (777, 503477), (1443, 271103), (3367, 116187), (10101, 38729)]