85987785

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{25939}}^1$

素因数の和:25977

約数の個数: 32

約数和(自身を含む): 156885120

約数和(自身を除く): 70897335

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 25939, 77817, 129695, 337207, 389085, 440963, 1011621, 1322889, 1686035, 2204815, 5058105, 5732519, 6614445, 17197557, 28662595, 85987785]

約数ペア:

[(1, 85987785), (3, 28662595), (5, 17197557), (13, 6614445), (15, 5732519), (17, 5058105), (39, 2204815), (51, 1686035), (65, 1322889), (85, 1011621), (195, 440963), (221, 389085), (255, 337207), (663, 129695), (1105, 77817), (3315, 25939)]