80782509

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1433}}^1$

素因数の和:1521

約数の個数: 32

約数和(自身を含む): 121144320

約数和(自身を除く): 40361811

約数列:

[1, 3, 19, 23, 43, 57, 69, 129, 437, 817, 989, 1311, 1433, 2451, 2967, 4299, 18791, 27227, 32959, 56373, 61619, 81681, 98877, 184857, 626221, 1170761, 1417237, 1878663, 3512283, 4251711, 26927503, 80782509]

約数ペア:

[(1, 80782509), (3, 26927503), (19, 4251711), (23, 3512283), (43, 1878663), (57, 1417237), (69, 1170761), (129, 626221), (437, 184857), (817, 98877), (989, 81681), (1311, 61619), (1433, 56373), (2451, 32959), (2967, 27227), (4299, 18791)]