81396393

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^2\times {\mathrm{743}}^1$

素因数の和:865

約数の個数: 24

約数和(自身を含む): 119284032

約数和(自身を除く): 37887639

約数列:

[1, 3, 13, 39, 53, 159, 689, 743, 2067, 2229, 2809, 8427, 9659, 28977, 36517, 39379, 109551, 118137, 511927, 1535781, 2087087, 6261261, 27132131, 81396393]

約数ペア:

[(1, 81396393), (3, 27132131), (13, 6261261), (39, 2087087), (53, 1535781), (159, 511927), (689, 118137), (743, 109551), (2067, 39379), (2229, 36517), (2809, 28977), (8427, 9659)]