28706697

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{7649}}^1$

素因数の和:7797

約数の個数: 16

約数和(自身を含む): 42840000

約数和(自身を除く): 14133303

約数列:

[1, 3, 9, 27, 139, 417, 1251, 3753, 7649, 22947, 68841, 206523, 1063211, 3189633, 9568899, 28706697]

約数ペア:

[(1, 28706697), (3, 9568899), (9, 3189633), (27, 1063211), (139, 206523), (417, 68841), (1251, 22947), (3753, 7649)]