199974315

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{784213}}^1$

素因数の和:784238

約数の個数: 16

約数和(自身を含む): 338780448

約数和(自身を除く): 138806133

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 784213, 2352639, 3921065, 11763195, 13331621, 39994863, 66658105, 199974315]

約数ペア:

[(1, 199974315), (3, 66658105), (5, 39994863), (15, 13331621), (17, 11763195), (51, 3921065), (85, 2352639), (255, 784213)]