208654815

素因数分解:

$3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{130003}}^1$

素因数の和:130118

約数の個数: 16

約数和(自身を含む): 336970368

約数和(自身を除く): 128315553

約数列:

[1, 3, 5, 15, 107, 321, 535, 1605, 130003, 390009, 650015, 1950045, 13910321, 41730963, 69551605, 208654815]

約数ペア:

[(1, 208654815), (3, 69551605), (5, 41730963), (15, 13910321), (107, 1950045), (321, 650015), (535, 390009), (1605, 130003)]