255387

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:194

約数の個数: 16

約数和(自身を含む): 380160

約数和(自身を除く): 124773

約数列:

[1, 3, 11, 33, 71, 109, 213, 327, 781, 1199, 2343, 3597, 7739, 23217, 85129, 255387]

約数ペア:

[(1, 255387), (3, 85129), (11, 23217), (33, 7739), (71, 3597), (109, 2343), (213, 1199), (327, 781)]