208047315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{1981403}}^1$

素因数の和:1981418

約数の個数: 16

約数和(自身を含む): 380429568

約数和(自身を除く): 172382253

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 1981403, 5944209, 9907015, 13869821, 29721045, 41609463, 69349105, 208047315]

約数ペア:

[(1, 208047315), (3, 69349105), (5, 41609463), (7, 29721045), (15, 13869821), (21, 9907015), (35, 5944209), (105, 1981403)]