81004065

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{317663}}^1$

素因数の和:317688

約数の個数: 16

約数和(自身を含む): 137230848

約数和(自身を除く): 56226783

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 317663, 952989, 1588315, 4764945, 5400271, 16200813, 27001355, 81004065]

約数ペア:

[(1, 81004065), (3, 27001355), (5, 16200813), (15, 5400271), (17, 4764945), (51, 1588315), (85, 952989), (255, 317663)]