28541247

素因数分解:

$3^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{3323}}^1$

素因数の和:3742

約数の個数: 16

約数和(自身を含む): 43610880

約数和(自身を除く): 15069633

約数列:

[1, 3, 7, 21, 409, 1227, 2863, 3323, 8589, 9969, 23261, 69783, 1359107, 4077321, 9513749, 28541247]

約数ペア:

[(1, 28541247), (3, 9513749), (7, 4077321), (21, 1359107), (409, 69783), (1227, 23261), (2863, 9969), (3323, 8589)]