28499865

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{13669}}^1$

素因数の和:13816

約数の個数: 16

約数和(自身を含む): 45931200

約数和(自身を除く): 17431335

約数列:

[1, 3, 5, 15, 139, 417, 695, 2085, 13669, 41007, 68345, 205035, 1899991, 5699973, 9499955, 28499865]

約数ペア:

[(1, 28499865), (3, 9499955), (5, 5699973), (15, 1899991), (139, 205035), (417, 68345), (695, 41007), (2085, 13669)]