81419135

素因数分解:

$5^1\times 7^2\times {\mathrm{439}}^1\times {\mathrm{757}}^1$

素因数の和:1215

約数の個数: 24

約数和(自身を含む): 114063840

約数和(自身を除く): 32644705

約数列:

[1, 5, 7, 35, 49, 245, 439, 757, 2195, 3073, 3785, 5299, 15365, 21511, 26495, 37093, 107555, 185465, 332323, 1661615, 2326261, 11631305, 16283827, 81419135]

約数ペア:

[(1, 81419135), (5, 16283827), (7, 11631305), (35, 2326261), (49, 1661615), (245, 332323), (439, 185465), (757, 107555), (2195, 37093), (3073, 26495), (3785, 21511), (5299, 15365)]