81637542

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{647917}}^1$

素因数の和:647932

約数の個数: 24

約数和(自身を含む): 202150416

約数和(自身を除く): 120512874

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 647917, 1295834, 1943751, 3887502, 4535419, 5831253, 9070838, 11662506, 13606257, 27212514, 40818771, 81637542]

約数ペア:

[(1, 81637542), (2, 40818771), (3, 27212514), (6, 13606257), (7, 11662506), (9, 9070838), (14, 5831253), (18, 4535419), (21, 3887502), (42, 1943751), (63, 1295834), (126, 647917)]