40439721

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:453

約数の個数: 32

約数和(自身を含む): 63406080

約数和(自身を除く): 22966359

約数列:

[1, 3, 7, 21, 59, 127, 177, 257, 381, 413, 771, 889, 1239, 1799, 2667, 5397, 7493, 15163, 22479, 32639, 45489, 52451, 97917, 106141, 157353, 228473, 318423, 685419, 1925701, 5777103, 13479907, 40439721]

約数ペア:

[(1, 40439721), (3, 13479907), (7, 5777103), (21, 1925701), (59, 685419), (127, 318423), (177, 228473), (257, 157353), (381, 106141), (413, 97917), (771, 52451), (889, 45489), (1239, 32639), (1799, 22479), (2667, 15163), (5397, 7493)]