209211009

素因数分解:

$3^1\times 7^1\times {\mathrm{1051}}^1\times {\mathrm{9479}}^1$

素因数の和:10540

約数の個数: 16

約数和(自身を含む): 319134720

約数和(自身を除く): 109923711

約数列:

[1, 3, 7, 21, 1051, 3153, 7357, 9479, 22071, 28437, 66353, 199059, 9962429, 29887287, 69737003, 209211009]

約数ペア:

[(1, 209211009), (3, 69737003), (7, 29887287), (21, 9962429), (1051, 199059), (3153, 66353), (7357, 28437), (9479, 22071)]