204646989

素因数分解:

$3^1\times {\mathrm{163}}^1\times {\mathrm{431}}^1\times {\mathrm{971}}^1$

素因数の和:1568

約数の個数: 16

約数和(自身を含む): 275457024

約数和(自身を除く): 70810035

約数列:

[1, 3, 163, 431, 489, 971, 1293, 2913, 70253, 158273, 210759, 418501, 474819, 1255503, 68215663, 204646989]

約数ペア:

[(1, 204646989), (3, 68215663), (163, 1255503), (431, 474819), (489, 418501), (971, 210759), (1293, 158273), (2913, 70253)]