207986667

素因数分解:

$3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{32261}}^1$

素因数の和:32578

約数の個数: 16

約数和(自身を含む): 317974272

約数和(自身を除く): 109987605

約数列:

[1, 3, 7, 21, 307, 921, 2149, 6447, 32261, 96783, 225827, 677481, 9904127, 29712381, 69328889, 207986667]

約数ペア:

[(1, 207986667), (3, 69328889), (7, 29712381), (21, 9904127), (307, 677481), (921, 225827), (2149, 96783), (6447, 32261)]