1287663

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{241}}^1$

素因数の和:394

約数の個数: 16

約数和(自身を含む): 1870176

約数和(自身を除く): 582513

約数列:

[1, 3, 13, 39, 137, 241, 411, 723, 1781, 3133, 5343, 9399, 33017, 99051, 429221, 1287663]

約数ペア:

[(1, 1287663), (3, 429221), (13, 99051), (39, 33017), (137, 9399), (241, 5343), (411, 3133), (723, 1781)]