208066881

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{229}}^1\times {\mathrm{2503}}^1$

素因数の和:2757

約数の個数: 24

約数和(自身を含む): 306389440

約数和(自身を除く): 98322559

約数列:

[1, 3, 11, 33, 121, 229, 363, 687, 2503, 2519, 7509, 7557, 27533, 27709, 82599, 83127, 302863, 573187, 908589, 1719561, 6305057, 18915171, 69355627, 208066881]

約数ペア:

[(1, 208066881), (3, 69355627), (11, 18915171), (33, 6305057), (121, 1719561), (229, 908589), (363, 573187), (687, 302863), (2503, 83127), (2519, 82599), (7509, 27709), (7557, 27533)]