81077845

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{823}}^1$

素因数の和:925

約数の個数: 32

約数和(自身を含む): 110350080

約数和(自身を除く): 29272235

約数列:

[1, 5, 17, 19, 61, 85, 95, 305, 323, 823, 1037, 1159, 1615, 4115, 5185, 5795, 13991, 15637, 19703, 50203, 69955, 78185, 98515, 251015, 265829, 853451, 953857, 1329145, 4267255, 4769285, 16215569, 81077845]

約数ペア:

[(1, 81077845), (5, 16215569), (17, 4769285), (19, 4267255), (61, 1329145), (85, 953857), (95, 853451), (305, 265829), (323, 251015), (823, 98515), (1037, 78185), (1159, 69955), (1615, 50203), (4115, 19703), (5185, 15637), (5795, 13991)]