3980007

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{97}}^2$

素因数の和:247

約数の個数: 18

約数和(自身を含む): 5932368

約数和(自身を除く): 1952361

約数列:

[1, 3, 9, 47, 97, 141, 291, 423, 873, 4559, 9409, 13677, 28227, 41031, 84681, 442223, 1326669, 3980007]

約数ペア:

[(1, 3980007), (3, 1326669), (9, 442223), (47, 84681), (97, 41031), (141, 28227), (291, 13677), (423, 9409), (873, 4559)]