731137281

素因数分解:

$3^1\times 7^2\times {\mathrm{1301}}^1\times {\mathrm{3823}}^1$

素因数の和:5141

約数の個数: 24

約数和(自身を含む): 1135177344

約数和(自身を除く): 404040063

約数列:

[1, 3, 7, 21, 49, 147, 1301, 3823, 3903, 9107, 11469, 26761, 27321, 63749, 80283, 187327, 191247, 561981, 4973723, 14921169, 34816061, 104448183, 243712427, 731137281]

約数ペア:

[(1, 731137281), (3, 243712427), (7, 104448183), (21, 34816061), (49, 14921169), (147, 4973723), (1301, 561981), (3823, 191247), (3903, 187327), (9107, 80283), (11469, 63749), (26761, 27321)]