257647587

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{51151}}^1$

素因数の和:51250

約数の個数: 16

約数和(自身を含む): 363383808

約数和(自身を除く): 105736221

約数列:

[1, 3, 23, 69, 73, 219, 1679, 5037, 51151, 153453, 1176473, 3529419, 3734023, 11202069, 85882529, 257647587]

約数ペア:

[(1, 257647587), (3, 85882529), (23, 11202069), (69, 3734023), (73, 3529419), (219, 1176473), (1679, 153453), (5037, 51151)]