81605391

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{133999}}^1$

素因数の和:134038

約数の個数: 16

約数和(自身を含む): 128640000

約数和(自身を除く): 47034609

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 133999, 401997, 937993, 2813979, 3885971, 11657913, 27201797, 81605391]

約数ペア:

[(1, 81605391), (3, 27201797), (7, 11657913), (21, 3885971), (29, 2813979), (87, 937993), (203, 401997), (609, 133999)]