1388807259

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{606731}}^1$

素因数の和:606850

約数の個数: 16

約数和(自身を含む): 2135696640

約数和(自身を除く): 746889381

約数列:

[1, 3, 7, 21, 109, 327, 763, 2289, 606731, 1820193, 4247117, 12741351, 66133679, 198401037, 462935753, 1388807259]

約数ペア:

[(1, 1388807259), (3, 462935753), (7, 198401037), (21, 66133679), (109, 12741351), (327, 4247117), (763, 1820193), (2289, 606731)]