51290211

素因数分解:

$3^1\times 7^2\times {\mathrm{383}}^1\times {\mathrm{911}}^1$

素因数の和:1311

約数の個数: 24

約数和(自身を含む): 79847424

約数和(自身を除く): 28557213

約数列:

[1, 3, 7, 21, 49, 147, 383, 911, 1149, 2681, 2733, 6377, 8043, 18767, 19131, 44639, 56301, 133917, 348913, 1046739, 2442391, 7327173, 17096737, 51290211]

約数ペア:

[(1, 51290211), (3, 17096737), (7, 7327173), (21, 2442391), (49, 1046739), (147, 348913), (383, 133917), (911, 56301), (1149, 44639), (2681, 19131), (2733, 18767), (6377, 8043)]