81650163

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4759}}^1$

素因数の和:4831

約数の個数: 32

約数和(自身を含む): 134041600

約数和(自身を除く): 52391437

約数列:

[1, 3, 7, 19, 21, 43, 57, 129, 133, 301, 399, 817, 903, 2451, 4759, 5719, 14277, 17157, 33313, 90421, 99939, 204637, 271263, 613911, 632947, 1432459, 1898841, 3888103, 4297377, 11664309, 27216721, 81650163]

約数ペア:

[(1, 81650163), (3, 27216721), (7, 11664309), (19, 4297377), (21, 3888103), (43, 1898841), (57, 1432459), (129, 632947), (133, 613911), (301, 271263), (399, 204637), (817, 99939), (903, 90421), (2451, 33313), (4759, 17157), (5719, 14277)]