1222689

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{293}}^1$

素因数の和:416

約数の個数: 16

約数和(自身を含む): 1778112

約数和(自身を除く): 555423

約数列:

[1, 3, 13, 39, 107, 293, 321, 879, 1391, 3809, 4173, 11427, 31351, 94053, 407563, 1222689]

約数ペア:

[(1, 1222689), (3, 407563), (13, 94053), (39, 31351), (107, 11427), (293, 4173), (321, 3809), (879, 1391)]