2642739

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1511}}^1$

素因数の和:1578

約数の個数: 16

約数和(自身を含む): 3919104

約数和(自身を除く): 1276365

約数列:

[1, 3, 11, 33, 53, 159, 583, 1511, 1749, 4533, 16621, 49863, 80083, 240249, 880913, 2642739]

約数ペア:

[(1, 2642739), (3, 880913), (11, 240249), (33, 80083), (53, 49863), (159, 16621), (583, 4533), (1511, 1749)]