2942891

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:171

約数の個数: 24

約数和(自身を含む): 3762000

約数和(自身を除く): 819109

約数列:

[1, 7, 19, 29, 49, 109, 133, 203, 551, 763, 931, 1421, 2071, 3161, 3857, 5341, 14497, 22127, 26999, 60059, 101479, 154889, 420413, 2942891]

約数ペア:

[(1, 2942891), (7, 420413), (19, 154889), (29, 101479), (49, 60059), (109, 26999), (133, 22127), (203, 14497), (551, 5341), (763, 3857), (931, 3161), (1421, 2071)]