205201311

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{514289}}^1$

素因数の和:514318

約数の個数: 16

約数和(自身を含む): 329145600

約数和(自身を除く): 123944289

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 514289, 1542867, 3600023, 9771491, 10800069, 29314473, 68400437, 205201311]

約数ペア:

[(1, 205201311), (3, 68400437), (7, 29314473), (19, 10800069), (21, 9771491), (57, 3600023), (133, 1542867), (399, 514289)]