28728891

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{22639}}^1$

素因数の和:22695

約数の個数: 16

約数和(自身を含む): 43468800

約数和(自身を除く): 14739909

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 22639, 67917, 203751, 611253, 1064033, 3192099, 9576297, 28728891]

約数ペア:

[(1, 28728891), (3, 9576297), (9, 3192099), (27, 1064033), (47, 611253), (141, 203751), (423, 67917), (1269, 22639)]