721468077

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{172147}}^1$

素因数の和:172288

約数の個数: 16

約数和(自身を含む): 1057677312

約数和(自身を除く): 336209235

約数列:

[1, 3, 11, 33, 127, 381, 1397, 4191, 172147, 516441, 1893617, 5680851, 21862669, 65588007, 240489359, 721468077]

約数ペア:

[(1, 721468077), (3, 240489359), (11, 65588007), (33, 21862669), (127, 5680851), (381, 1893617), (1397, 516441), (4191, 172147)]