223324881

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{8311}}^1$

素因数の和:8393

約数の個数: 24

約数和(自身を含む): 328556736

約数和(自身を除く): 105231855

約数列:

[1, 3, 13, 39, 53, 159, 169, 507, 689, 2067, 8311, 8957, 24933, 26871, 108043, 324129, 440483, 1321449, 1404559, 4213677, 5726279, 17178837, 74441627, 223324881]

約数ペア:

[(1, 223324881), (3, 74441627), (13, 17178837), (39, 5726279), (53, 4213677), (159, 1404559), (169, 1321449), (507, 440483), (689, 324129), (2067, 108043), (8311, 26871), (8957, 24933)]