7428897

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3187}}^1$

素因数の和:3237

約数の個数: 24

約数和(自身を含む): 12598976

約数和(自身を除く): 5170079

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 3187, 9561, 22309, 28683, 66927, 117919, 200781, 353757, 825433, 1061271, 2476299, 7428897]

約数ペア:

[(1, 7428897), (3, 2476299), (7, 1061271), (9, 825433), (21, 353757), (37, 200781), (63, 117919), (111, 66927), (259, 28683), (333, 22309), (777, 9561), (2331, 3187)]