28008297

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{349}}^1$

素因数の和:633

約数の個数: 24

約数和(自身を含む): 41841800

約数和(自身を除く): 13833503

約数列:

[1, 3, 9, 37, 111, 241, 333, 349, 723, 1047, 2169, 3141, 8917, 12913, 26751, 38739, 80253, 84109, 116217, 252327, 756981, 3112033, 9336099, 28008297]

約数ペア:

[(1, 28008297), (3, 9336099), (9, 3112033), (37, 756981), (111, 252327), (241, 116217), (333, 84109), (349, 80253), (723, 38739), (1047, 26751), (2169, 12913), (3141, 8917)]