287897555841

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{6743437}}^1$

素因数の和:6743573

約数の個数: 32

約数和(自身を含む): 466106434560

約数和(自身を除く): 178208878719

約数列:

[1, 3, 7, 19, 21, 57, 107, 133, 321, 399, 749, 2033, 2247, 6099, 14231, 42693, 6743437, 20230311, 47204059, 128125303, 141612177, 384375909, 721547759, 896877121, 2164643277, 2690631363, 5050834313, 13709407421, 15152502939, 41128222263, 95965851947, 287897555841]

約数ペア:

[(1, 287897555841), (3, 95965851947), (7, 41128222263), (19, 15152502939), (21, 13709407421), (57, 5050834313), (107, 2690631363), (133, 2164643277), (321, 896877121), (399, 721547759), (749, 384375909), (2033, 141612177), (2247, 128125303), (6099, 47204059), (14231, 20230311), (42693, 6743437)]