28984419

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{7723}}^1$

素因数の和:7871

約数の個数: 16

約数和(自身を含む): 43254400

約数和(自身を除く): 14269981

約数列:

[1, 3, 9, 27, 139, 417, 1251, 3753, 7723, 23169, 69507, 208521, 1073497, 3220491, 9661473, 28984419]

約数ペア:

[(1, 28984419), (3, 9661473), (9, 3220491), (27, 1073497), (139, 208521), (417, 69507), (1251, 23169), (3753, 7723)]