81166925

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{27283}}^1$

素因数の和:27317

約数の個数: 24

約数和(自身を含む): 121795776

約数和(自身を除く): 40628851

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 425, 595, 2975, 27283, 136415, 190981, 463811, 682075, 954905, 2319055, 3246677, 4774525, 11595275, 16233385, 81166925]

約数ペア:

[(1, 81166925), (5, 16233385), (7, 11595275), (17, 4774525), (25, 3246677), (35, 2319055), (85, 954905), (119, 682075), (175, 463811), (425, 190981), (595, 136415), (2975, 27283)]