28400361

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{18311}}^1$

素因数の和:18372

約数の個数: 16

約数和(自身を含む): 42190848

約数和(自身を除く): 13790487

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 18311, 54933, 201421, 604263, 860617, 2581851, 9466787, 28400361]

約数ペア:

[(1, 28400361), (3, 9466787), (11, 2581851), (33, 860617), (47, 604263), (141, 201421), (517, 54933), (1551, 18311)]