209543733

素因数分解:

$3^3\times 7^1\times {\mathrm{1108697}}^1$

素因数の和:1108713

約数の個数: 16

約数和(自身を含む): 354783360

約数和(自身を除く): 145239627

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1108697, 3326091, 7760879, 9978273, 23282637, 29934819, 69847911, 209543733]

約数ペア:

[(1, 209543733), (3, 69847911), (7, 29934819), (9, 23282637), (21, 9978273), (27, 7760879), (63, 3326091), (189, 1108697)]