72137871

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{68507}}^1$

素因数の和:68532

約数の個数: 20

約数和(自身を含む): 116052552

約数和(自身を除く): 43914681

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 68507, 205521, 616563, 890591, 1849689, 2671773, 5549067, 8015319, 24045957, 72137871]

約数ペア:

[(1, 72137871), (3, 24045957), (9, 8015319), (13, 5549067), (27, 2671773), (39, 1849689), (81, 890591), (117, 616563), (351, 205521), (1053, 68507)]