12640047

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{6763}}^1$

素因数の和:6862

約数の個数: 16

約数和(自身を含む): 19480320

約数和(自身を除く): 6840273

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 6763, 20289, 47341, 142023, 601907, 1805721, 4213349, 12640047]

約数ペア:

[(1, 12640047), (3, 4213349), (7, 1805721), (21, 601907), (89, 142023), (267, 47341), (623, 20289), (1869, 6763)]