28840520541

素因数分解:

$3^1\times 7^1\times {\mathrm{19207}}^1\times {\mathrm{71503}}^1$

素因数の和:90720

約数の個数: 16

約数和(自身を含む): 43950362624

約数和(自身を除く): 15109842083

約数列:

[1, 3, 7, 21, 19207, 57621, 71503, 134449, 214509, 403347, 500521, 1501563, 1373358121, 4120074363, 9613506847, 28840520541]

約数ペア:

[(1, 28840520541), (3, 9613506847), (7, 4120074363), (21, 1373358121), (19207, 1501563), (57621, 500521), (71503, 403347), (134449, 214509)]