891189873

素因数分解:

$3^2\times 7^1\times {\mathrm{14145871}}^1$

素因数の和:14145884

約数の個数: 12

約数和(自身を含む): 1471170688

約数和(自身を除く): 579980815

約数列:

[1, 3, 7, 9, 21, 63, 14145871, 42437613, 99021097, 127312839, 297063291, 891189873]

約数ペア:

[(1, 891189873), (3, 297063291), (7, 127312839), (9, 99021097), (21, 42437613), (63, 14145871)]