28681245

素因数分解:

$3^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{1033}}^1$

素因数の和:1661

約数の個数: 24

約数和(自身を含む): 49842936

約数和(自身を除く): 21161691

約数列:

[1, 3, 5, 9, 15, 45, 617, 1033, 1851, 3085, 3099, 5165, 5553, 9255, 9297, 15495, 27765, 46485, 637361, 1912083, 3186805, 5736249, 9560415, 28681245]

約数ペア:

[(1, 28681245), (3, 9560415), (5, 5736249), (9, 3186805), (15, 1912083), (45, 637361), (617, 46485), (1033, 27765), (1851, 15495), (3085, 9297), (3099, 9255), (5165, 5553)]