81400333

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{7309}}^1$

素因数の和:7396

約数の個数: 16

約数和(自身を含む): 97778560

約数和(自身を除く): 16378227

約数列:

[1, 7, 37, 43, 259, 301, 1591, 7309, 11137, 51163, 270433, 314287, 1893031, 2200009, 11628619, 81400333]

約数ペア:

[(1, 81400333), (7, 11628619), (37, 2200009), (43, 1893031), (259, 314287), (301, 270433), (1591, 51163), (7309, 11137)]