16250787

素因数分解:

$3^4\times 7^1\times {\mathrm{28661}}^1$

素因数の和:28680

約数の個数: 20

約数和(自身を含む): 27744816

約数和(自身を除く): 11494029

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 28661, 85983, 200627, 257949, 601881, 773847, 1805643, 2321541, 5416929, 16250787]

約数ペア:

[(1, 16250787), (3, 5416929), (7, 2321541), (9, 1805643), (21, 773847), (27, 601881), (63, 257949), (81, 200627), (189, 85983), (567, 28661)]