27208181

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{353}}^1$

素因数の和:402

約数の個数: 36

約数和(自身を含む): 37571436

約数和(自身を除く): 10363255

約数列:

[1, 7, 11, 13, 49, 77, 91, 121, 143, 353, 539, 637, 847, 1001, 1573, 2471, 3883, 4589, 5929, 7007, 11011, 17297, 27181, 32123, 42713, 50479, 77077, 190267, 224861, 298991, 353353, 555269, 2092937, 2473471, 3886883, 27208181]

約数ペア:

[(1, 27208181), (7, 3886883), (11, 2473471), (13, 2092937), (49, 555269), (77, 353353), (91, 298991), (121, 224861), (143, 190267), (353, 77077), (539, 50479), (637, 42713), (847, 32123), (1001, 27181), (1573, 17297), (2471, 11011), (3883, 7007), (4589, 5929)]