1738719

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{907}}^1$

素因数の和:987

約数の個数: 16

約数和(自身を含む): 2615040

約数和(自身を除く): 876321

約数列:

[1, 3, 9, 27, 71, 213, 639, 907, 1917, 2721, 8163, 24489, 64397, 193191, 579573, 1738719]

約数ペア:

[(1, 1738719), (3, 579573), (9, 193191), (27, 64397), (71, 24489), (213, 8163), (639, 2721), (907, 1917)]