28197459

素因数分解:

$3^2\times {\mathrm{239}}^1\times {\mathrm{13109}}^1$

素因数の和:13354

約数の個数: 12

約数和(自身を含む): 40903200

約数和(自身を除く): 12705741

約数列:

[1, 3, 9, 239, 717, 2151, 13109, 39327, 117981, 3133051, 9399153, 28197459]

約数ペア:

[(1, 28197459), (3, 9399153), (9, 3133051), (239, 117981), (717, 39327), (2151, 13109)]