218936523

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{4651}}^1$

素因数の和:4755

約数の個数: 32

約数和(自身を含む): 337623552

約数和(自身を除く): 118687029

約数列:

[1, 3, 13, 17, 39, 51, 71, 213, 221, 663, 923, 1207, 2769, 3621, 4651, 13953, 15691, 47073, 60463, 79067, 181389, 237201, 330221, 990663, 1027871, 3083613, 4292873, 5613757, 12878619, 16841271, 72978841, 218936523]

約数ペア:

[(1, 218936523), (3, 72978841), (13, 16841271), (17, 12878619), (39, 5613757), (51, 4292873), (71, 3083613), (213, 1027871), (221, 990663), (663, 330221), (923, 237201), (1207, 181389), (2769, 79067), (3621, 60463), (4651, 47073), (13953, 15691)]