28224081

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{647}}^1$

素因数の和:821

約数の個数: 24

約数和(自身を含む): 42254784

約数和(自身を除く): 14030703

約数列:

[1, 3, 9, 37, 111, 131, 333, 393, 647, 1179, 1941, 4847, 5823, 14541, 23939, 43623, 71817, 84757, 215451, 254271, 762813, 3136009, 9408027, 28224081]

約数ペア:

[(1, 28224081), (3, 9408027), (9, 3136009), (37, 762813), (111, 254271), (131, 215451), (333, 84757), (393, 71817), (647, 43623), (1179, 23939), (1941, 14541), (4847, 5823)]