27679659

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 45745920

約数和(自身を除く): 18066261

約数列:

[1, 3, 7, 21, 29, 43, 49, 87, 129, 147, 151, 203, 301, 453, 609, 903, 1057, 1247, 1421, 2107, 3171, 3741, 4263, 4379, 6321, 6493, 7399, 8729, 13137, 19479, 22197, 26187, 30653, 45451, 61103, 91959, 136353, 183309, 188297, 214571, 318157, 564891, 643713, 954471, 1318079, 3954237, 9226553, 27679659]

約数ペア:

[(1, 27679659), (3, 9226553), (7, 3954237), (21, 1318079), (29, 954471), (43, 643713), (49, 564891), (87, 318157), (129, 214571), (147, 188297), (151, 183309), (203, 136353), (301, 91959), (453, 61103), (609, 45451), (903, 30653), (1057, 26187), (1247, 22197), (1421, 19479), (2107, 13137), (3171, 8729), (3741, 7399), (4263, 6493), (4379, 6321)]