128925

素因数分解:

$3^3\times 5^2\times {\mathrm{191}}^1$

素因数の和:210

約数の個数: 24

約数和(自身を含む): 238080

約数和(自身を除く): 109155

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 191, 225, 573, 675, 955, 1719, 2865, 4775, 5157, 8595, 14325, 25785, 42975, 128925]

約数ペア:

[(1, 128925), (3, 42975), (5, 25785), (9, 14325), (15, 8595), (25, 5157), (27, 4775), (45, 2865), (75, 1719), (135, 955), (191, 675), (225, 573)]