52720557

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1\times {\mathrm{823}}^1$

素因数の和:1120

約数の個数: 16

約数和(自身を含む): 71351808

約数和(自身を除く): 18631251

約数列:

[1, 3, 131, 163, 393, 489, 823, 2469, 21353, 64059, 107813, 134149, 323439, 402447, 17573519, 52720557]

約数ペア:

[(1, 52720557), (3, 17573519), (131, 402447), (163, 323439), (393, 134149), (489, 107813), (823, 64059), (2469, 21353)]