17878239

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 28828800

約数和(自身を除く): 10950561

約数列:

[1, 3, 9, 27, 29, 43, 59, 81, 87, 129, 177, 243, 261, 387, 531, 783, 1161, 1247, 1593, 1711, 2349, 2537, 3483, 3741, 4779, 5133, 7047, 7611, 10449, 11223, 14337, 15399, 22833, 33669, 46197, 68499, 73573, 101007, 138591, 205497, 220719, 303021, 415773, 616491, 662157, 1986471, 5959413, 17878239]

約数ペア:

[(1, 17878239), (3, 5959413), (9, 1986471), (27, 662157), (29, 616491), (43, 415773), (59, 303021), (81, 220719), (87, 205497), (129, 138591), (177, 101007), (243, 73573), (261, 68499), (387, 46197), (531, 33669), (783, 22833), (1161, 15399), (1247, 14337), (1593, 11223), (1711, 10449), (2349, 7611), (2537, 7047), (3483, 5133), (3741, 4779)]