81432673

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{21991}}^1$

素因数の和:22044

約数の個数: 12

約数和(自身を含む): 97292608

約数和(自身を除く): 15859935

約数列:

[1, 7, 23, 161, 529, 3703, 21991, 153937, 505793, 3540551, 11633239, 81432673]

約数ペア:

[(1, 81432673), (7, 11633239), (23, 3540551), (161, 505793), (529, 153937), (3703, 21991)]