428745315

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{218191}}^1$

素因数の和:218330

約数の個数: 16

約数和(自身を含む): 691232256

約数和(自身を除く): 262486941

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 218191, 654573, 1090955, 3272865, 28583021, 85749063, 142915105, 428745315]

約数ペア:

[(1, 428745315), (3, 142915105), (5, 85749063), (15, 28583021), (131, 3272865), (393, 1090955), (655, 654573), (1965, 218191)]