257646765

素因数分解:

$3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{167}}^1\times {\mathrm{631}}^1$

素因数の和:969

約数の個数: 32

約数和(自身を含む): 417908736

約数和(自身を除く): 160261971

約数列:

[1, 3, 5, 15, 163, 167, 489, 501, 631, 815, 835, 1893, 2445, 2505, 3155, 9465, 27221, 81663, 102853, 105377, 136105, 308559, 316131, 408315, 514265, 526885, 1542795, 1580655, 17176451, 51529353, 85882255, 257646765]

約数ペア:

[(1, 257646765), (3, 85882255), (5, 51529353), (15, 17176451), (163, 1580655), (167, 1542795), (489, 526885), (501, 514265), (631, 408315), (815, 316131), (835, 308559), (1893, 136105), (2445, 105377), (2505, 102853), (3155, 81663), (9465, 27221)]