28165719

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{3307}}^1$

素因数の和:3494

約数の個数: 16

約数和(自身を含む): 40013568

約数和(自身を除く): 11847849

約数列:

[1, 3, 17, 51, 167, 501, 2839, 3307, 8517, 9921, 56219, 168657, 552269, 1656807, 9388573, 28165719]

約数ペア:

[(1, 28165719), (3, 9388573), (17, 1656807), (51, 552269), (167, 168657), (501, 56219), (2839, 9921), (3307, 8517)]