921291

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2309}}^1$

素因数の和:2338

約数の個数: 16

約数和(自身を含む): 1478400

約数和(自身を除く): 557109

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 2309, 6927, 16163, 43871, 48489, 131613, 307097, 921291]

約数ペア:

[(1, 921291), (3, 307097), (7, 131613), (19, 48489), (21, 43871), (57, 16163), (133, 6927), (399, 2309)]