2720508711

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1\times {\mathrm{2903}}^1$

素因数の和:3367

約数の個数: 32

約数和(自身を含む): 3922490880

約数和(自身を除く): 1201982169

約数列:

[1, 3, 19, 41, 57, 123, 401, 779, 1203, 2337, 2903, 7619, 8709, 16441, 22857, 49323, 55157, 119023, 165471, 312379, 357069, 937137, 1164103, 2261437, 3492309, 6784311, 22117957, 47728223, 66353871, 143184669, 906836237, 2720508711]

約数ペア:

[(1, 2720508711), (3, 906836237), (19, 143184669), (41, 66353871), (57, 47728223), (123, 22117957), (401, 6784311), (779, 3492309), (1203, 2261437), (2337, 1164103), (2903, 937137), (7619, 357069), (8709, 312379), (16441, 165471), (22857, 119023), (49323, 55157)]