420171315

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{337487}}^1$

素因数の和:337578

約数の個数: 16

約数和(自身を含む): 680375808

約数和(自身を除く): 260204493

約数列:

[1, 3, 5, 15, 83, 249, 415, 1245, 337487, 1012461, 1687435, 5062305, 28011421, 84034263, 140057105, 420171315]

約数ペア:

[(1, 420171315), (3, 140057105), (5, 84034263), (15, 28011421), (83, 5062305), (249, 1687435), (415, 1012461), (1245, 337487)]