12591122943

素因数分解:

$3^1\times 7^1\times {\mathrm{1997}}^1\times {\mathrm{300239}}^1$

素因数の和:302246

約数の個数: 16

約数和(自身を含む): 19196144640

約数和(自身を除く): 6605021697

約数列:

[1, 3, 7, 21, 1997, 5991, 13979, 41937, 300239, 900717, 2101673, 6305019, 599577283, 1798731849, 4197040981, 12591122943]

約数ペア:

[(1, 12591122943), (3, 4197040981), (7, 1798731849), (21, 599577283), (1997, 6305019), (5991, 2101673), (13979, 900717), (41937, 300239)]