257545419

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{20533}}^1$

素因数の和:20686

約数の個数: 16

約数和(自身を含む): 355813152

約数和(自身を除く): 98267733

約数列:

[1, 3, 37, 111, 113, 339, 4181, 12543, 20533, 61599, 759721, 2279163, 2320229, 6960687, 85848473, 257545419]

約数ペア:

[(1, 257545419), (3, 85848473), (37, 6960687), (111, 2320229), (113, 2279163), (339, 759721), (4181, 61599), (12543, 20533)]