28867727

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{881}}^1$

素因数の和:1070

約数の個数: 16

約数和(自身を含む): 34320384

約数和(自身を除く): 5452657

約数列:

[1, 7, 31, 151, 217, 881, 1057, 4681, 6167, 27311, 32767, 133031, 191177, 931217, 4123961, 28867727]

約数ペア:

[(1, 28867727), (7, 4123961), (31, 931217), (151, 191177), (217, 133031), (881, 32767), (1057, 27311), (4681, 6167)]