12640593

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{26171}}^1$

素因数の和:26204

約数の個数: 16

約数和(自身を含む): 20100096

約数和(自身を除く): 7459503

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 26171, 78513, 183197, 549591, 601933, 1805799, 4213531, 12640593]

約数ペア:

[(1, 12640593), (3, 4213531), (7, 1805799), (21, 601933), (23, 549591), (69, 183197), (161, 78513), (483, 26171)]