72667719

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{37907}}^1$

素因数の和:37987

約数の個数: 16

約数和(自身を含む): 109175040

約数和(自身を除く): 36507321

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 37907, 113721, 341163, 1023489, 2691397, 8074191, 24222573, 72667719]

約数ペア:

[(1, 72667719), (3, 24222573), (9, 8074191), (27, 2691397), (71, 1023489), (213, 341163), (639, 113721), (1917, 37907)]