18579159

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:284

約数の個数: 32

約数和(自身を含む): 28512000

約数和(自身を除く): 9932841

約数列:

[1, 3, 9, 27, 59, 107, 109, 177, 321, 327, 531, 963, 981, 1593, 2889, 2943, 6313, 6431, 11663, 18939, 19293, 34989, 56817, 57879, 104967, 170451, 173637, 314901, 688117, 2064351, 6193053, 18579159]

約数ペア:

[(1, 18579159), (3, 6193053), (9, 2064351), (27, 688117), (59, 314901), (107, 173637), (109, 170451), (177, 104967), (321, 57879), (327, 56817), (531, 34989), (963, 19293), (981, 18939), (1593, 11663), (2889, 6431), (2943, 6313)]