1280367

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{479}}^1$

素因数の和:505

約数の個数: 24

約数和(自身を含む): 2096640

約数和(自身を除く): 816273

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 243, 297, 479, 891, 1437, 2673, 4311, 5269, 12933, 15807, 38799, 47421, 116397, 142263, 426789, 1280367]

約数ペア:

[(1, 1280367), (3, 426789), (9, 142263), (11, 116397), (27, 47421), (33, 38799), (81, 15807), (99, 12933), (243, 5269), (297, 4311), (479, 2673), (891, 1437)]