12879786987

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{7691}}^1$

素因数の和:7888

約数の個数: 48

約数和(自身を含む): 19698412032

約数和(自身を除く): 6818625045

約数列:

[1, 3, 9, 37, 47, 107, 111, 141, 321, 333, 423, 963, 1739, 3959, 5029, 5217, 7691, 11877, 15087, 15651, 23073, 35631, 45261, 69219, 186073, 284567, 361477, 558219, 822937, 853701, 1084431, 1674657, 2468811, 2561103, 3253293, 7406433, 13374649, 30448669, 38678039, 40123947, 91346007, 116034117, 120371841, 274038021, 348102351, 1431087443, 4293262329, 12879786987]

約数ペア:

[(1, 12879786987), (3, 4293262329), (9, 1431087443), (37, 348102351), (47, 274038021), (107, 120371841), (111, 116034117), (141, 91346007), (321, 40123947), (333, 38678039), (423, 30448669), (963, 13374649), (1739, 7406433), (3959, 3253293), (5029, 2561103), (5217, 2468811), (7691, 1674657), (11877, 1084431), (15087, 853701), (15651, 822937), (23073, 558219), (35631, 361477), (45261, 284567), (69219, 186073)]