171998281

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3803}}^1$

素因数の和:3901

約数の個数: 24

約数和(自身を含む): 218562624

約数和(自身を除く): 46564343

約数列:

[1, 7, 13, 49, 71, 91, 497, 637, 923, 3479, 3803, 6461, 26621, 45227, 49439, 186347, 270013, 346073, 1890091, 2422511, 3510169, 13230637, 24571183, 171998281]

約数ペア:

[(1, 171998281), (7, 24571183), (13, 13230637), (49, 3510169), (71, 2422511), (91, 1890091), (497, 346073), (637, 270013), (923, 186347), (3479, 49439), (3803, 45227), (6461, 26621)]