28390453

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{6367}}^1$

素因数の和:6401

約数の個数: 16

約数和(自身を含む): 35660800

約数和(自身を除く): 7270347

約数列:

[1, 7, 13, 49, 91, 343, 637, 4459, 6367, 44569, 82771, 311983, 579397, 2183881, 4055779, 28390453]

約数ペア:

[(1, 28390453), (7, 4055779), (13, 2183881), (49, 579397), (91, 311983), (343, 82771), (637, 44569), (4459, 6367)]