28400001

素因数分解:

$3^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{4013}}^1$

素因数の和:4360

約数の個数: 16

約数和(自身を含む): 43415424

約数和(自身を除く): 15015423

約数列:

[1, 3, 7, 21, 337, 1011, 2359, 4013, 7077, 12039, 28091, 84273, 1352381, 4057143, 9466667, 28400001]

約数ペア:

[(1, 28400001), (3, 9466667), (7, 4057143), (21, 1352381), (337, 84273), (1011, 28091), (2359, 12039), (4013, 7077)]