28265085

素因数分解:

$3^3\times 5^1\times {\mathrm{209371}}^1$

素因数の和:209385

約数の個数: 16

約数和(自身を含む): 50249280

約数和(自身を除く): 21984195

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 209371, 628113, 1046855, 1884339, 3140565, 5653017, 9421695, 28265085]

約数ペア:

[(1, 28265085), (3, 9421695), (5, 5653017), (9, 3140565), (15, 1884339), (27, 1046855), (45, 628113), (135, 209371)]