16280121

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{277}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 25780608

約数和(自身を除く): 9500487

約数列:

[1, 3, 11, 13, 33, 39, 137, 143, 277, 411, 429, 831, 1507, 1781, 3047, 3601, 4521, 5343, 9141, 10803, 19591, 37949, 39611, 58773, 113847, 118833, 417439, 493337, 1252317, 1480011, 5426707, 16280121]

約数ペア:

[(1, 16280121), (3, 5426707), (11, 1480011), (13, 1252317), (33, 493337), (39, 417439), (137, 118833), (143, 113847), (277, 58773), (411, 39611), (429, 37949), (831, 19591), (1507, 10803), (1781, 9141), (3047, 5343), (3601, 4521)]