86821329

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{243197}}^1$

素因数の和:243224

約数の個数: 16

約数和(自身を含む): 140082048

約数和(自身を除く): 53260719

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 243197, 729591, 1702379, 4134349, 5107137, 12403047, 28940443, 86821329]

約数ペア:

[(1, 86821329), (3, 28940443), (7, 12403047), (17, 5107137), (21, 4134349), (51, 1702379), (119, 729591), (357, 243197)]