211058155

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{1871}}^1$

素因数の和:2187

約数の個数: 32

約数和(自身を含む): 317011968

約数和(自身を除く): 105953813

約数列:

[1, 5, 7, 11, 35, 55, 77, 293, 385, 1465, 1871, 2051, 3223, 9355, 10255, 13097, 16115, 20581, 22561, 65485, 102905, 112805, 144067, 548203, 720335, 2741015, 3837421, 6030233, 19187105, 30151165, 42211631, 211058155]

約数ペア:

[(1, 211058155), (5, 42211631), (7, 30151165), (11, 19187105), (35, 6030233), (55, 3837421), (77, 2741015), (293, 720335), (385, 548203), (1465, 144067), (1871, 112805), (2051, 102905), (3223, 65485), (9355, 22561), (10255, 20581), (13097, 16115)]