28239621

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{5413}}^1$

素因数の和:5500

約数の個数: 16

約数和(自身を含む): 39500544

約数和(自身を除く): 11260923

約数列:

[1, 3, 37, 47, 111, 141, 1739, 5217, 5413, 16239, 200281, 254411, 600843, 763233, 9413207, 28239621]

約数ペア:

[(1, 28239621), (3, 9413207), (37, 763233), (47, 600843), (111, 254411), (141, 200281), (1739, 16239), (5217, 5413)]