128540379

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{631}}^1\times {\mathrm{6173}}^1$

素因数の和:6818

約数の個数: 16

約数和(自身を含む): 187294464

約数和(自身を除く): 58754085

約数列:

[1, 3, 11, 33, 631, 1893, 6173, 6941, 18519, 20823, 67903, 203709, 3895163, 11685489, 42846793, 128540379]

約数ペア:

[(1, 128540379), (3, 42846793), (11, 11685489), (33, 3895163), (631, 203709), (1893, 67903), (6173, 20823), (6941, 18519)]