28245723

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{2371}}^1$

素因数の和:2423

約数の個数: 24

約数和(自身を含む): 43379136

約数和(自身を除く): 15133413

約数列:

[1, 3, 11, 19, 33, 57, 209, 361, 627, 1083, 2371, 3971, 7113, 11913, 26081, 45049, 78243, 135147, 495539, 855931, 1486617, 2567793, 9415241, 28245723]

約数ペア:

[(1, 28245723), (3, 9415241), (11, 2567793), (19, 1486617), (33, 855931), (57, 495539), (209, 135147), (361, 78243), (627, 45049), (1083, 26081), (2371, 11913), (3971, 7113)]