28107937

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{167}}^1$

素因数の和:309

約数の個数: 24

約数和(自身を含む): 33784128

約数和(自身を除く): 5676191

約数列:

[1, 11, 13, 107, 121, 143, 167, 1177, 1391, 1573, 1837, 2171, 12947, 15301, 17869, 20207, 23881, 168311, 196559, 232297, 262691, 2162149, 2555267, 28107937]

約数ペア:

[(1, 28107937), (11, 2555267), (13, 2162149), (107, 262691), (121, 232297), (143, 196559), (167, 168311), (1177, 23881), (1391, 20207), (1573, 17869), (1837, 15301), (2171, 12947)]