27969381

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{31391}}^1$

素因数の和:31414

約数の個数: 20

約数和(自身を含む): 45581184

約数和(自身を除く): 17611803

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 31391, 94173, 282519, 345301, 847557, 1035903, 2542671, 3107709, 9323127, 27969381]

約数ペア:

[(1, 27969381), (3, 9323127), (9, 3107709), (11, 2542671), (27, 1035903), (33, 847557), (81, 345301), (99, 282519), (297, 94173), (891, 31391)]