28381287

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{613}}^1$

素因数の和:711

約数の個数: 32

約数和(自身を含む): 43854336

約数和(自身を除く): 15473049

約数列:

[1, 3, 11, 23, 33, 61, 69, 183, 253, 613, 671, 759, 1403, 1839, 2013, 4209, 6743, 14099, 15433, 20229, 37393, 42297, 46299, 112179, 155089, 411323, 465267, 860039, 1233969, 2580117, 9460429, 28381287]

約数ペア:

[(1, 28381287), (3, 9460429), (11, 2580117), (23, 1233969), (33, 860039), (61, 465267), (69, 411323), (183, 155089), (253, 112179), (613, 46299), (671, 42297), (759, 37393), (1403, 20229), (1839, 15433), (2013, 14099), (4209, 6743)]