81528909

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{352939}}^1$

素因数の和:352960

約数の個数: 16

約数和(自身を含む): 135528960

約数和(自身を除く): 54000051

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 352939, 1058817, 2470573, 3882329, 7411719, 11646987, 27176303, 81528909]

約数ペア:

[(1, 81528909), (3, 27176303), (7, 11646987), (11, 7411719), (21, 3882329), (33, 2470573), (77, 1058817), (231, 352939)]