53920803

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{691}}^1$

素因数の和:787

約数の個数: 24

約数和(自身を含む): 77891520

約数和(自身を除く): 23970717

約数列:

[1, 3, 19, 37, 57, 111, 691, 703, 1369, 2073, 2109, 4107, 13129, 25567, 26011, 39387, 76701, 78033, 485773, 945979, 1457319, 2837937, 17973601, 53920803]

約数ペア:

[(1, 53920803), (3, 17973601), (19, 2837937), (37, 1457319), (57, 945979), (111, 485773), (691, 78033), (703, 76701), (1369, 39387), (2073, 26011), (2109, 25567), (4107, 13129)]