31871961

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{35771}}^1$

素因数の和:35794

約数の個数: 20

約数和(自身を含む): 51940944

約数和(自身を除く): 20068983

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 35771, 107313, 321939, 393481, 965817, 1180443, 2897451, 3541329, 10623987, 31871961]

約数ペア:

[(1, 31871961), (3, 10623987), (9, 3541329), (11, 2897451), (27, 1180443), (33, 965817), (81, 393481), (99, 321939), (297, 107313), (891, 35771)]