168840231

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{26711}}^1$

素因数の和:26771

約数の個数: 24

約数和(自身を含む): 267974784

約数和(自身を除く): 99134553

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2107, 6321, 26711, 80133, 186977, 560931, 1148573, 1308839, 3445719, 3926517, 8040011, 24120033, 56280077, 168840231]

約数ペア:

[(1, 168840231), (3, 56280077), (7, 24120033), (21, 8040011), (43, 3926517), (49, 3445719), (129, 1308839), (147, 1148573), (301, 560931), (903, 186977), (2107, 80133), (6321, 26711)]