8971821

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:385

約数の個数: 24

約数和(自身を含む): 13453440

約数和(自身を除く): 4481619

約数列:

[1, 3, 9, 43, 97, 129, 239, 291, 387, 717, 873, 2151, 4171, 10277, 12513, 23183, 30831, 37539, 69549, 92493, 208647, 996869, 2990607, 8971821]

約数ペア:

[(1, 8971821), (3, 2990607), (9, 996869), (43, 208647), (97, 92493), (129, 69549), (239, 37539), (291, 30831), (387, 23183), (717, 12513), (873, 10277), (2151, 4171)]