28691439

素因数分解:

$3^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{4663}}^1$

素因数の和:4966

約数の個数: 16

約数和(自身を含む): 43878912

約数和(自身を除く): 15187473

約数列:

[1, 3, 7, 21, 293, 879, 2051, 4663, 6153, 13989, 32641, 97923, 1366259, 4098777, 9563813, 28691439]

約数ペア:

[(1, 28691439), (3, 9563813), (7, 4098777), (21, 1366259), (293, 97923), (879, 32641), (2051, 13989), (4663, 6153)]