28691937

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{677}}^1$

素因数の和:977

約数の個数: 24

約数和(自身を含む): 44105256

約数和(自身を除く): 15413319

約数列:

[1, 3, 9, 17, 51, 153, 277, 677, 831, 2031, 2493, 4709, 6093, 11509, 14127, 34527, 42381, 103581, 187529, 562587, 1687761, 3187993, 9563979, 28691937]

約数ペア:

[(1, 28691937), (3, 9563979), (9, 3187993), (17, 1687761), (51, 562587), (153, 187529), (277, 103581), (677, 42381), (831, 34527), (2031, 14127), (2493, 11509), (4709, 6093)]