247177341

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{2161}}^1$

素因数の和:2417

約数の個数: 24

約数和(自身を含む): 364253760

約数和(自身を除く): 117076419

約数列:

[1, 3, 9, 71, 179, 213, 537, 639, 1611, 2161, 6483, 12709, 19449, 38127, 114381, 153431, 386819, 460293, 1160457, 1380879, 3481371, 27464149, 82392447, 247177341]

約数ペア:

[(1, 247177341), (3, 82392447), (9, 27464149), (71, 3481371), (179, 1380879), (213, 1160457), (537, 460293), (639, 386819), (1611, 153431), (2161, 114381), (6483, 38127), (12709, 19449)]