42282081

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{4789}}^1$

素因数の和:4910

約数の個数: 20

約数和(自身を含む): 63754900

約数和(自身を除く): 21472819

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 2943, 4789, 8829, 14367, 43101, 129303, 387909, 522001, 1566003, 4698009, 14094027, 42282081]

約数ペア:

[(1, 42282081), (3, 14094027), (9, 4698009), (27, 1566003), (81, 522001), (109, 387909), (327, 129303), (981, 43101), (2943, 14367), (4789, 8829)]