28574289

素因数分解:

$3^4\times {\mathrm{181}}^1\times {\mathrm{1949}}^1$

素因数の和:2142

約数の個数: 20

約数和(自身を含む): 42942900

約数和(自身を除く): 14368611

約数列:

[1, 3, 9, 27, 81, 181, 543, 1629, 1949, 4887, 5847, 14661, 17541, 52623, 157869, 352769, 1058307, 3174921, 9524763, 28574289]

約数ペア:

[(1, 28574289), (3, 9524763), (9, 3174921), (27, 1058307), (81, 352769), (181, 157869), (543, 52623), (1629, 17541), (1949, 14661), (4887, 5847)]