16689591

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{4447}}^1$

素因数の和:4595

約数の個数: 16

約数和(自身を含む): 24908800

約数和(自身を除く): 8219209

約数列:

[1, 3, 9, 27, 139, 417, 1251, 3753, 4447, 13341, 40023, 120069, 618133, 1854399, 5563197, 16689591]

約数ペア:

[(1, 16689591), (3, 5563197), (9, 1854399), (27, 618133), (139, 120069), (417, 40023), (1251, 13341), (3753, 4447)]