67942881

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{19507}}^1$

素因数の和:19562

約数の個数: 20

約数和(自身を含む): 103860592

約数和(自身を除く): 35917711

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 19507, 58521, 175563, 526689, 838801, 1580067, 2516403, 7549209, 22647627, 67942881]

約数ペア:

[(1, 67942881), (3, 22647627), (9, 7549209), (27, 2516403), (43, 1580067), (81, 838801), (129, 526689), (387, 175563), (1161, 58521), (3483, 19507)]