42420945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{404009}}^1$

素因数の和:404024

約数の個数: 16

約数和(自身を含む): 77569920

約数和(自身を除く): 35148975

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 404009, 1212027, 2020045, 2828063, 6060135, 8484189, 14140315, 42420945]

約数ペア:

[(1, 42420945), (3, 14140315), (5, 8484189), (7, 6060135), (15, 2828063), (21, 2020045), (35, 1212027), (105, 404009)]