67647209

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{4721}}^1$

素因数の和:4840

約数の個数: 16

約数和(自身を含む): 81596160

約数和(自身を除く): 13948951

約数列:

[1, 7, 23, 89, 161, 623, 2047, 4721, 14329, 33047, 108583, 420169, 760081, 2941183, 9663887, 67647209]

約数ペア:

[(1, 67647209), (7, 9663887), (23, 2941183), (89, 760081), (161, 420169), (623, 108583), (2047, 33047), (4721, 14329)]