27400959

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{313}}^1$

素因数の和:527

約数の個数: 24

約数和(自身を含む): 40558752

約数和(自身を除く): 13157793

約数列:

[1, 3, 9, 71, 137, 213, 313, 411, 639, 939, 1233, 2817, 9727, 22223, 29181, 42881, 66669, 87543, 128643, 200007, 385929, 3044551, 9133653, 27400959]

約数ペア:

[(1, 27400959), (3, 9133653), (9, 3044551), (71, 385929), (137, 200007), (213, 128643), (313, 87543), (411, 66669), (639, 42881), (939, 29181), (1233, 22223), (2817, 9727)]