81006642

素因数分解:

$2^1\times 3^4\times {\mathrm{500041}}^1$

素因数の和:500055

約数の個数: 20

約数和(自身を含む): 181515246

約数和(自身を除く): 100508604

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 500041, 1000082, 1500123, 3000246, 4500369, 9000738, 13501107, 27002214, 40503321, 81006642]

約数ペア:

[(1, 81006642), (2, 40503321), (3, 27002214), (6, 13501107), (9, 9000738), (18, 4500369), (27, 3000246), (54, 1500123), (81, 1000082), (162, 500041)]