28340631

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2579}}^1$

素因数の和:2636

約数の個数: 32

約数和(自身を含む): 47059200

約数和(自身を除く): 18718569

約数列:

[1, 3, 9, 11, 27, 33, 37, 99, 111, 297, 333, 407, 999, 1221, 2579, 3663, 7737, 10989, 23211, 28369, 69633, 85107, 95423, 255321, 286269, 765963, 858807, 1049653, 2576421, 3148959, 9446877, 28340631]

約数ペア:

[(1, 28340631), (3, 9446877), (9, 3148959), (11, 2576421), (27, 1049653), (33, 858807), (37, 765963), (99, 286269), (111, 255321), (297, 95423), (333, 85107), (407, 69633), (999, 28369), (1221, 23211), (2579, 10989), (3663, 7737)]