128530719

素因数分解:

$3^6\times {\mathrm{157}}^1\times {\mathrm{1123}}^1$

素因数の和:1298

約数の個数: 28

約数和(自身を含む): 194108056

約数和(自身を除く): 65577337

約数列:

[1, 3, 9, 27, 81, 157, 243, 471, 729, 1123, 1413, 3369, 4239, 10107, 12717, 30321, 38151, 90963, 114453, 176311, 272889, 528933, 818667, 1586799, 4760397, 14281191, 42843573, 128530719]

約数ペア:

[(1, 128530719), (3, 42843573), (9, 14281191), (27, 4760397), (81, 1586799), (157, 818667), (243, 528933), (471, 272889), (729, 176311), (1123, 114453), (1413, 90963), (3369, 38151), (4239, 30321), (10107, 12717)]