131278719

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{306011}}^1$

素因数の和:306038

約数の個数: 16

約数和(自身を含む): 205640064

約数和(自身を除く): 74361345

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 306011, 918033, 3366121, 3978143, 10098363, 11934429, 43759573, 131278719]

約数ペア:

[(1, 131278719), (3, 43759573), (11, 11934429), (13, 10098363), (33, 3978143), (39, 3366121), (143, 918033), (429, 306011)]