53121987

素因数分解:

$3^5\times {\mathrm{71}}^1\times {\mathrm{3079}}^1$

素因数の和:3165

約数の個数: 24

約数和(自身を含む): 80720640

約数和(自身を除く): 27598653

約数列:

[1, 3, 9, 27, 71, 81, 213, 243, 639, 1917, 3079, 5751, 9237, 17253, 27711, 83133, 218609, 249399, 655827, 748197, 1967481, 5902443, 17707329, 53121987]

約数ペア:

[(1, 53121987), (3, 17707329), (9, 5902443), (27, 1967481), (71, 748197), (81, 655827), (213, 249399), (243, 218609), (639, 83133), (1917, 27711), (3079, 17253), (5751, 9237)]