28127709

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{35923}}^1$

素因数の和:35961

約数の個数: 16

約数和(自身を含む): 43108800

約数和(自身を除く): 14981091

約数列:

[1, 3, 9, 27, 29, 87, 261, 783, 35923, 107769, 323307, 969921, 1041767, 3125301, 9375903, 28127709]

約数ペア:

[(1, 28127709), (3, 9375903), (9, 3125301), (27, 1041767), (29, 969921), (87, 323307), (261, 107769), (783, 35923)]