257604807

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{20857}}^1$

素因数の和:21062

約数の個数: 16

約数和(自身を含む): 360426240

約数和(自身を除く): 102821433

約数列:

[1, 3, 23, 69, 179, 537, 4117, 12351, 20857, 62571, 479711, 1439133, 3733403, 11200209, 85868269, 257604807]

約数ペア:

[(1, 257604807), (3, 85868269), (23, 11200209), (69, 3733403), (179, 1439133), (537, 479711), (4117, 62571), (12351, 20857)]