26990019

素因数分解:

$3^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{2243}}^1$

素因数の和:2447

約数の個数: 24

約数和(自身を含む): 44808192

約数和(自身を除く): 17818173

約数列:

[1, 3, 7, 9, 21, 63, 191, 573, 1337, 1719, 2243, 4011, 6729, 12033, 15701, 20187, 47103, 141309, 428413, 1285239, 2998891, 3855717, 8996673, 26990019]

約数ペア:

[(1, 26990019), (3, 8996673), (7, 3855717), (9, 2998891), (21, 1285239), (63, 428413), (191, 141309), (573, 47103), (1337, 20187), (1719, 15701), (2243, 12033), (4011, 6729)]