28059981

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{1279}}^1$

素因数の和:1456

約数の個数: 16

約数和(自身を含む): 38338560

約数和(自身を除く): 10278579

約数列:

[1, 3, 71, 103, 213, 309, 1279, 3837, 7313, 21939, 90809, 131737, 272427, 395211, 9353327, 28059981]

約数ペア:

[(1, 28059981), (3, 9353327), (71, 395211), (103, 272427), (213, 131737), (309, 90809), (1279, 21939), (3837, 7313)]