28539063

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{3259}}^1$

素因数の和:3411

約数の個数: 24

約数和(自身を含む): 47465600

約数和(自身を除く): 18926537

約数列:

[1, 3, 7, 9, 21, 63, 139, 417, 973, 1251, 2919, 3259, 8757, 9777, 22813, 29331, 68439, 205317, 453001, 1359003, 3171007, 4077009, 9513021, 28539063]

約数ペア:

[(1, 28539063), (3, 9513021), (7, 4077009), (9, 3171007), (21, 1359003), (63, 453001), (139, 205317), (417, 68439), (973, 29331), (1251, 22813), (2919, 9777), (3259, 8757)]