1316979

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:312

約数の個数: 20

約数和(自身を含む): 2003760

約数和(自身を除く): 686781

約数列:

[1, 3, 9, 27, 71, 81, 213, 229, 639, 687, 1917, 2061, 5751, 6183, 16259, 18549, 48777, 146331, 438993, 1316979]

約数ペア:

[(1, 1316979), (3, 438993), (9, 146331), (27, 48777), (71, 18549), (81, 16259), (213, 6183), (229, 5751), (639, 2061), (687, 1917)]