16543521

素因数分解:

$3^4\times {\mathrm{167}}^1\times {\mathrm{1223}}^1$

素因数の和:1402

約数の個数: 20

約数和(自身を含む): 24881472

約数和(自身を除く): 8337951

約数列:

[1, 3, 9, 27, 81, 167, 501, 1223, 1503, 3669, 4509, 11007, 13527, 33021, 99063, 204241, 612723, 1838169, 5514507, 16543521]

約数ペア:

[(1, 16543521), (3, 5514507), (9, 1838169), (27, 612723), (81, 204241), (167, 99063), (501, 33021), (1223, 13527), (1503, 11007), (3669, 4509)]