39808179

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{6221}}^1$

素因数の和:6312

約数の個数: 20

約数和(自身を含む): 60228960

約数和(自身を除く): 20420781

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 6221, 6399, 18663, 55989, 167967, 491459, 503901, 1474377, 4423131, 13269393, 39808179]

約数ペア:

[(1, 39808179), (3, 13269393), (9, 4423131), (27, 1474377), (79, 503901), (81, 491459), (237, 167967), (711, 55989), (2133, 18663), (6221, 6399)]