28107051

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{9629}}^1$

素因数の和:9778

約数の個数: 16

約数和(自身を含む): 43142400

約数和(自身を除く): 15035349

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 9629, 28887, 67403, 202209, 1338431, 4015293, 9369017, 28107051]

約数ペア:

[(1, 28107051), (3, 9369017), (7, 4015293), (21, 1338431), (139, 202209), (417, 67403), (973, 28887), (2919, 9629)]