12291260499

素因数分解:

$3^2\times 7^2\times {\mathrm{27871339}}^1$

素因数の和:27871359

約数の個数: 18

約数和(自身を含む): 20652662940

約数和(自身を除く): 8361402441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 27871339, 83614017, 195099373, 250842051, 585298119, 1365695611, 1755894357, 4097086833, 12291260499]

約数ペア:

[(1, 12291260499), (3, 4097086833), (7, 1755894357), (9, 1365695611), (21, 585298119), (49, 250842051), (63, 195099373), (147, 83614017), (441, 27871339)]