208889192799

素因数分解:

$3^2\times 7^3\times {\mathrm{67667377}}^1$

素因数の和:67667404

約数の個数: 24

約数和(自身を含む): 351870365600

約数和(自身を除く): 142981172801

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 67667377, 203002131, 473671639, 609006393, 1421014917, 3315701473, 4263044751, 9947104419, 23209910311, 29841313257, 69629730933, 208889192799]

約数ペア:

[(1, 208889192799), (3, 69629730933), (7, 29841313257), (9, 23209910311), (21, 9947104419), (49, 4263044751), (63, 3315701473), (147, 1421014917), (343, 609006393), (441, 473671639), (1029, 203002131), (3087, 67667377)]