208044945

素因数分解:

$3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{21911}}^1$

素因数の和:22133

約数の個数: 24

約数和(自身を含む): 362336832

約数和(自身を除く): 154291887

約数列:

[1, 3, 5, 9, 15, 45, 211, 633, 1055, 1899, 3165, 9495, 21911, 65733, 109555, 197199, 328665, 985995, 4623221, 13869663, 23116105, 41608989, 69348315, 208044945]

約数ペア:

[(1, 208044945), (3, 69348315), (5, 41608989), (9, 23116105), (15, 13869663), (45, 4623221), (211, 985995), (633, 328665), (1055, 197199), (1899, 109555), (3165, 65733), (9495, 21911)]