27489567

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1$

素因数の和:363

約数の個数: 32

約数和(自身を含む): 43130880

約数和(自身を除く): 15641313

約数列:

[1, 3, 7, 21, 71, 103, 179, 213, 309, 497, 537, 721, 1253, 1491, 2163, 3759, 7313, 12709, 18437, 21939, 38127, 51191, 55311, 88963, 129059, 153573, 266889, 387177, 1309027, 3927081, 9163189, 27489567]

約数ペア:

[(1, 27489567), (3, 9163189), (7, 3927081), (21, 1309027), (71, 387177), (103, 266889), (179, 153573), (213, 129059), (309, 88963), (497, 55311), (537, 51191), (721, 38127), (1253, 21939), (1491, 18437), (2163, 12709), (3759, 7313)]