390786963

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{133877}}^1$

素因数の和:134026

約数の個数: 16

約数和(自身を含む): 599773440

約数和(自身を除く): 208986477

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 133877, 401631, 937139, 2811417, 18608903, 55826709, 130262321, 390786963]

約数ペア:

[(1, 390786963), (3, 130262321), (7, 55826709), (21, 18608903), (139, 2811417), (417, 937139), (973, 401631), (2919, 133877)]