16986429

素因数分解:

$3^9\times {\mathrm{863}}^1$

素因数の和:890

約数の個数: 20

約数和(自身を含む): 25508736

約数和(自身を除く): 8522307

約数列:

[1, 3, 9, 27, 81, 243, 729, 863, 2187, 2589, 6561, 7767, 19683, 23301, 69903, 209709, 629127, 1887381, 5662143, 16986429]

約数ペア:

[(1, 16986429), (3, 5662143), (9, 1887381), (27, 629127), (81, 209709), (243, 69903), (729, 23301), (863, 19683), (2187, 7767), (2589, 6561)]