42000945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{400009}}^1$

素因数の和:400024

約数の個数: 16

約数和(自身を含む): 76801920

約数和(自身を除く): 34800975

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 400009, 1200027, 2000045, 2800063, 6000135, 8400189, 14000315, 42000945]

約数ペア:

[(1, 42000945), (3, 14000315), (5, 8400189), (7, 6000135), (15, 2800063), (21, 2000045), (35, 1200027), (105, 400009)]