51284919

素因数分解:

$3^1\times 7^2\times {\mathrm{409}}^1\times {\mathrm{853}}^1$

素因数の和:1279

約数の個数: 24

約数和(自身を含む): 79831920

約数和(自身を除く): 28547001

約数列:

[1, 3, 7, 21, 49, 147, 409, 853, 1227, 2559, 2863, 5971, 8589, 17913, 20041, 41797, 60123, 125391, 348877, 1046631, 2442139, 7326417, 17094973, 51284919]

約数ペア:

[(1, 51284919), (3, 17094973), (7, 7326417), (21, 2442139), (49, 1046631), (147, 348877), (409, 125391), (853, 60123), (1227, 41797), (2559, 20041), (2863, 17913), (5971, 8589)]