28700859

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{6257}}^1$

素因数の和:6410

約数の個数: 16

約数和(自身を含む): 42053760

約数和(自身を除く): 13352901

約数列:

[1, 3, 11, 33, 139, 417, 1529, 4587, 6257, 18771, 68827, 206481, 869723, 2609169, 9566953, 28700859]

約数ペア:

[(1, 28700859), (3, 9566953), (11, 2609169), (33, 869723), (139, 206481), (417, 68827), (1529, 18771), (4587, 6257)]