8006999

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 11343360

約数和(自身を除く): 3336361

約数列:

[1, 7, 11, 13, 19, 77, 91, 133, 143, 209, 247, 421, 1001, 1463, 1729, 2717, 2947, 4631, 5473, 7999, 19019, 32417, 38311, 55993, 60203, 87989, 103987, 421421, 615923, 727909, 1143857, 8006999]

約数ペア:

[(1, 8006999), (7, 1143857), (11, 727909), (13, 615923), (19, 421421), (77, 103987), (91, 87989), (133, 60203), (143, 55993), (209, 38311), (247, 32417), (421, 19019), (1001, 7999), (1463, 5473), (1729, 4631), (2717, 2947)]