217242009

素因数分解:

$3^2\times {\mathrm{127}}^1\times {\mathrm{190063}}^1$

素因数の和:190196

約数の個数: 12

約数和(自身を含む): 316266496

約数和(自身を除く): 99024487

約数列:

[1, 3, 9, 127, 381, 1143, 190063, 570189, 1710567, 24138001, 72414003, 217242009]

約数ペア:

[(1, 217242009), (3, 72414003), (9, 24138001), (127, 1710567), (381, 570189), (1143, 190063)]