219635715

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{16811}}^1$

素因数の和:16899

約数の個数: 32

約数和(自身を含む): 384120576

約数和(自身を除く): 164484861

約数列:

[1, 3, 5, 13, 15, 39, 65, 67, 195, 201, 335, 871, 1005, 2613, 4355, 13065, 16811, 50433, 84055, 218543, 252165, 655629, 1092715, 1126337, 3278145, 3379011, 5631685, 14642381, 16895055, 43927143, 73211905, 219635715]

約数ペア:

[(1, 219635715), (3, 73211905), (5, 43927143), (13, 16895055), (15, 14642381), (39, 5631685), (65, 3379011), (67, 3278145), (195, 1126337), (201, 1092715), (335, 655629), (871, 252165), (1005, 218543), (2613, 84055), (4355, 50433), (13065, 16811)]