28707987

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{124277}}^1$

素因数の和:124298

約数の個数: 16

約数和(自身を含む): 47722752

約数和(自身を除く): 19014765

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 124277, 372831, 869939, 1367047, 2609817, 4101141, 9569329, 28707987]

約数ペア:

[(1, 28707987), (3, 9569329), (7, 4101141), (11, 2609817), (21, 1367047), (33, 869939), (77, 372831), (231, 124277)]