287912133

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{20107}}^1$

素因数の和:20193

約数の個数: 24

約数和(自身を含む): 437067488

約数和(自身を除く): 149155355

約数列:

[1, 3, 9, 37, 43, 111, 129, 333, 387, 1591, 4773, 14319, 20107, 60321, 180963, 743959, 864601, 2231877, 2593803, 6695631, 7781409, 31990237, 95970711, 287912133]

約数ペア:

[(1, 287912133), (3, 95970711), (9, 31990237), (37, 7781409), (43, 6695631), (111, 2593803), (129, 2231877), (333, 864601), (387, 743959), (1591, 180963), (4773, 60321), (14319, 20107)]