210241431

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{80831}}^1$

素因数の和:80871

約数の個数: 18

約数和(自身を含む): 322600512

約数和(自身を除く): 112359081

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 80831, 242493, 727479, 1374127, 4122381, 12367143, 23360159, 70080477, 210241431]

約数ペア:

[(1, 210241431), (3, 70080477), (9, 23360159), (17, 12367143), (51, 4122381), (153, 1374127), (289, 727479), (867, 242493), (2601, 80831)]