201235405

素因数分解:

$5^1\times 7^2\times {\mathrm{439}}^1\times {\mathrm{1871}}^1$

素因数の和:2329

約数の個数: 24

約数和(自身を含む): 281698560

約数和(自身を除く): 80463155

約数列:

[1, 5, 7, 35, 49, 245, 439, 1871, 2195, 3073, 9355, 13097, 15365, 21511, 65485, 91679, 107555, 458395, 821369, 4106845, 5749583, 28747915, 40247081, 201235405]

約数ペア:

[(1, 201235405), (5, 40247081), (7, 28747915), (35, 5749583), (49, 4106845), (245, 821369), (439, 458395), (1871, 107555), (2195, 91679), (3073, 65485), (9355, 21511), (13097, 15365)]