28996245

素因数分解:

$3^3\times 5^1\times {\mathrm{214787}}^1$

素因数の和:214801

約数の個数: 16

約数和(自身を含む): 51549120

約数和(自身を除く): 22552875

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 214787, 644361, 1073935, 1933083, 3221805, 5799249, 9665415, 28996245]

約数ペア:

[(1, 28996245), (3, 9665415), (5, 5799249), (9, 3221805), (15, 1933083), (27, 1073935), (45, 644361), (135, 214787)]