639331323

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{1609}}^1\times {\mathrm{6971}}^1$

素因数の和:8602

約数の個数: 16

約数和(自身を含む): 897993600

約数和(自身を除く): 258662277

約数列:

[1, 3, 19, 57, 1609, 4827, 6971, 20913, 30571, 91713, 132449, 397347, 11216339, 33649017, 213110441, 639331323]

約数ペア:

[(1, 639331323), (3, 213110441), (19, 33649017), (57, 11216339), (1609, 397347), (4827, 132449), (6971, 91713), (20913, 30571)]