211714929

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{28793}}^1$

素因数の和:28861

約数の個数: 24

約数和(自身を含む): 329403360

約数和(自身を除く): 117688431

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2451, 7353, 28793, 86379, 259137, 547067, 1238099, 1641201, 3714297, 4923603, 11142891, 23523881, 70571643, 211714929]

約数ペア:

[(1, 211714929), (3, 70571643), (9, 23523881), (19, 11142891), (43, 4923603), (57, 3714297), (129, 1641201), (171, 1238099), (387, 547067), (817, 259137), (2451, 86379), (7353, 28793)]