8816031

素因数分解:

$3^2\times 7^2\times {\mathrm{19991}}^1$

素因数の和:20011

約数の個数: 18

約数和(自身を含む): 14814072

約数和(自身を除く): 5998041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 19991, 59973, 139937, 179919, 419811, 979559, 1259433, 2938677, 8816031]

約数ペア:

[(1, 8816031), (3, 2938677), (7, 1259433), (9, 979559), (21, 419811), (49, 179919), (63, 139937), (147, 59973), (441, 19991)]