28286769

素因数分解:

$3^1\times 7^2\times {\mathrm{337}}^1\times {\mathrm{571}}^1$

素因数の和:925

約数の個数: 24

約数和(自身を含む): 44080608

約数和(自身を除く): 15793839

約数列:

[1, 3, 7, 21, 49, 147, 337, 571, 1011, 1713, 2359, 3997, 7077, 11991, 16513, 27979, 49539, 83937, 192427, 577281, 1346989, 4040967, 9428923, 28286769]

約数ペア:

[(1, 28286769), (3, 9428923), (7, 4040967), (21, 1346989), (49, 577281), (147, 192427), (337, 83937), (571, 49539), (1011, 27979), (1713, 16513), (2359, 11991), (3997, 7077)]