81160975

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{27281}}^1$

素因数の和:27315

約数の個数: 24

約数和(自身を含む): 121786848

約数和(自身を除く): 40625873

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 425, 595, 2975, 27281, 136405, 190967, 463777, 682025, 954835, 2318885, 3246439, 4774175, 11594425, 16232195, 81160975]

約数ペア:

[(1, 81160975), (5, 16232195), (7, 11594425), (17, 4774175), (25, 3246439), (35, 2318885), (85, 954835), (119, 682025), (175, 463777), (425, 190967), (595, 136405), (2975, 27281)]