80864001

素因数分解:

$3^4\times {\mathrm{647}}^1\times {\mathrm{1543}}^1$

素因数の和:2202

約数の個数: 20

約数和(自身を含む): 121061952

約数和(自身を除く): 40197951

約数列:

[1, 3, 9, 27, 81, 647, 1543, 1941, 4629, 5823, 13887, 17469, 41661, 52407, 124983, 998321, 2994963, 8984889, 26954667, 80864001]

約数ペア:

[(1, 80864001), (3, 26954667), (9, 8984889), (27, 2994963), (81, 998321), (647, 124983), (1543, 52407), (1941, 41661), (4629, 17469), (5823, 13887)]