207978532881

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{3243937}}^1$

素因数の和:3244061

約数の個数: 32

約数和(自身を含む): 328857458688

約数和(自身を除く): 120878925807

約数列:

[1, 3, 7, 21, 43, 71, 129, 213, 301, 497, 903, 1491, 3053, 9159, 21371, 64113, 3243937, 9731811, 22707559, 68122677, 139489291, 230319527, 418467873, 690958581, 976425037, 1612236689, 2929275111, 4836710067, 9903739661, 29711218983, 69326177627, 207978532881]

約数ペア:

[(1, 207978532881), (3, 69326177627), (7, 29711218983), (21, 9903739661), (43, 4836710067), (71, 2929275111), (129, 1612236689), (213, 976425037), (301, 690958581), (497, 418467873), (903, 230319527), (1491, 139489291), (3053, 68122677), (9159, 22707559), (21371, 9731811), (64113, 3243937)]