81132909

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{499}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 127680000

約数和(自身を除く): 46547091

約数列:

[1, 3, 11, 13, 33, 39, 143, 379, 429, 499, 1137, 1497, 4169, 4927, 5489, 6487, 12507, 14781, 16467, 19461, 54197, 71357, 162591, 189121, 214071, 567363, 2080331, 2458573, 6240993, 7375719, 27044303, 81132909]

約数ペア:

[(1, 81132909), (3, 27044303), (11, 7375719), (13, 6240993), (33, 2458573), (39, 2080331), (143, 567363), (379, 214071), (429, 189121), (499, 162591), (1137, 71357), (1497, 54197), (4169, 19461), (4927, 16467), (5489, 14781), (6487, 12507)]