72771881

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{42089}}^1$

素因数の和:42128

約数の個数: 16

約数和(自身を含む): 94281600

約数和(自身を除く): 21509719

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 42089, 294623, 547157, 799691, 3830099, 5597837, 10395983, 72771881]

約数ペア:

[(1, 72771881), (7, 10395983), (13, 5597837), (19, 3830099), (91, 799691), (133, 547157), (247, 294623), (1729, 42089)]