28080495

素因数分解:

$3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{3607}}^1$

素因数の和:3791

約数の個数: 24

約数和(自身を含む): 48967776

約数和(自身を除く): 20887281

約数列:

[1, 3, 5, 9, 15, 45, 173, 519, 865, 1557, 2595, 3607, 7785, 10821, 18035, 32463, 54105, 162315, 624011, 1872033, 3120055, 5616099, 9360165, 28080495]

約数ペア:

[(1, 28080495), (3, 9360165), (5, 5616099), (9, 3120055), (15, 1872033), (45, 624011), (173, 162315), (519, 54105), (865, 32463), (1557, 18035), (2595, 10821), (3607, 7785)]