2191707

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1831}}^1$

素因数の和:1863

約数の個数: 24

約数和(自身を含む): 3810560

約数和(自身を除く): 1618853

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 1831, 5493, 12817, 16479, 34789, 38451, 104367, 115353, 243523, 313101, 730569, 2191707]

約数ペア:

[(1, 2191707), (3, 730569), (7, 313101), (9, 243523), (19, 115353), (21, 104367), (57, 38451), (63, 34789), (133, 16479), (171, 12817), (399, 5493), (1197, 1831)]