55989981

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{3109}}^1$

素因数の和:3170

約数の個数: 32

約数和(自身を含む): 89568000

約数和(自身を除く): 33578019

約数列:

[1, 3, 9, 23, 27, 29, 69, 87, 207, 261, 621, 667, 783, 2001, 3109, 6003, 9327, 18009, 27981, 71507, 83943, 90161, 214521, 270483, 643563, 811449, 1930689, 2073703, 2434347, 6221109, 18663327, 55989981]

約数ペア:

[(1, 55989981), (3, 18663327), (9, 6221109), (23, 2434347), (27, 2073703), (29, 1930689), (69, 811449), (87, 643563), (207, 270483), (261, 214521), (621, 90161), (667, 83943), (783, 71507), (2001, 27981), (3109, 18009), (6003, 9327)]