266778057

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{977209}}^1$

素因数の和:977232

約数の個数: 16

約数和(自身を含む): 437790080

約数和(自身を除く): 171012023

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 977209, 2931627, 6840463, 12703717, 20521389, 38111151, 88926019, 266778057]

約数ペア:

[(1, 266778057), (3, 88926019), (7, 38111151), (13, 20521389), (21, 12703717), (39, 6840463), (91, 2931627), (273, 977209)]