18020151

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{1301}}^1$

素因数の和:1338

約数の個数: 28

約数和(自身を含む): 28461720

約数和(自身を除く): 10441569

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 729, 1301, 1539, 3903, 4617, 11709, 13851, 24719, 35127, 74157, 105381, 222471, 316143, 667413, 948429, 2002239, 6006717, 18020151]

約数ペア:

[(1, 18020151), (3, 6006717), (9, 2002239), (19, 948429), (27, 667413), (57, 316143), (81, 222471), (171, 105381), (243, 74157), (513, 35127), (729, 24719), (1301, 13851), (1539, 11709), (3903, 4617)]