289771293

素因数分解:

$3^1\times 7^1\times {\mathrm{2447}}^1\times {\mathrm{5639}}^1$

素因数の和:8096

約数の個数: 16

約数和(自身を含む): 441815040

約数和(自身を除く): 152043747

約数列:

[1, 3, 7, 21, 2447, 5639, 7341, 16917, 17129, 39473, 51387, 118419, 13798633, 41395899, 96590431, 289771293]

約数ペア:

[(1, 289771293), (3, 96590431), (7, 41395899), (21, 13798633), (2447, 118419), (5639, 51387), (7341, 39473), (16917, 17129)]