28156011

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{2011}}^1$

素因数の和:2386

約数の個数: 16

約数和(自身を含む): 40561920

約数和(自身を除く): 12405909

約数列:

[1, 3, 13, 39, 359, 1077, 2011, 4667, 6033, 14001, 26143, 78429, 721949, 2165847, 9385337, 28156011]

約数ペア:

[(1, 28156011), (3, 9385337), (13, 2165847), (39, 721949), (359, 78429), (1077, 26143), (2011, 14001), (4667, 6033)]