221842815

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{178187}}^1$

素因数の和:178278

約数の個数: 16

約数和(自身を含む): 359227008

約数和(自身を除く): 137384193

約数列:

[1, 3, 5, 15, 83, 249, 415, 1245, 178187, 534561, 890935, 2672805, 14789521, 44368563, 73947605, 221842815]

約数ペア:

[(1, 221842815), (3, 73947605), (5, 44368563), (15, 14789521), (83, 2672805), (249, 890935), (415, 534561), (1245, 178187)]