16789221

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{14461}}^1$

素因数の和:14513

約数の個数: 16

約数和(自身を含む): 25453120

約数和(自身を除く): 8663899

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 14461, 43383, 130149, 390447, 621823, 1865469, 5596407, 16789221]

約数ペア:

[(1, 16789221), (3, 5596407), (9, 1865469), (27, 621823), (43, 390447), (129, 130149), (387, 43383), (1161, 14461)]