81659004

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{972131}}^1$

素因数の和:972145

約数の個数: 24

約数和(自身を含む): 217757568

約数和(自身を除く): 136098564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 972131, 1944262, 2916393, 3888524, 5832786, 6804917, 11665572, 13609834, 20414751, 27219668, 40829502, 81659004]

約数ペア:

[(1, 81659004), (2, 40829502), (3, 27219668), (4, 20414751), (6, 13609834), (7, 11665572), (12, 6804917), (14, 5832786), (21, 3888524), (28, 2916393), (42, 1944262), (84, 972131)]