28331181

素因数分解:

$3^3\times {\mathrm{211}}^1\times {\mathrm{4973}}^1$

素因数の和:5193

約数の個数: 16

約数和(自身を含む): 42179520

約数和(自身を除く): 13848339

約数列:

[1, 3, 9, 27, 211, 633, 1899, 4973, 5697, 14919, 44757, 134271, 1049303, 3147909, 9443727, 28331181]

約数ペア:

[(1, 28331181), (3, 9443727), (9, 3147909), (27, 1049303), (211, 134271), (633, 44757), (1899, 14919), (4973, 5697)]