81826251

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{251}}^1\times {\mathrm{643}}^1$

素因数の和:923

約数の個数: 24

約数和(自身を含む): 118794816

約数和(自身を除く): 36968565

約数列:

[1, 3, 13, 39, 169, 251, 507, 643, 753, 1929, 3263, 8359, 9789, 25077, 42419, 108667, 127257, 161393, 326001, 484179, 2098109, 6294327, 27275417, 81826251]

約数ペア:

[(1, 81826251), (3, 27275417), (13, 6294327), (39, 2098109), (169, 484179), (251, 326001), (507, 161393), (643, 127257), (753, 108667), (1929, 42419), (3263, 25077), (8359, 9789)]