217136919

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{12763}}^1$

素因数の和:12926

約数の個数: 16

約数和(自身を含む): 297758592

約数和(自身を除く): 80621673

約数列:

[1, 3, 53, 107, 159, 321, 5671, 12763, 17013, 38289, 676439, 1365641, 2029317, 4096923, 72378973, 217136919]

約数ペア:

[(1, 217136919), (3, 72378973), (53, 4096923), (107, 2029317), (159, 1365641), (321, 676439), (5671, 38289), (12763, 17013)]