128569725

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{33613}}^1$

素因数の和:33646

約数の個数: 36

約数和(自身を含む): 243835956

約数和(自身を除く): 115266231

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 425, 765, 1275, 3825, 33613, 100839, 168065, 302517, 504195, 571421, 840325, 1512585, 1714263, 2520975, 2857105, 5142789, 7562925, 8571315, 14285525, 25713945, 42856575, 128569725]

約数ペア:

[(1, 128569725), (3, 42856575), (5, 25713945), (9, 14285525), (15, 8571315), (17, 7562925), (25, 5142789), (45, 2857105), (51, 2520975), (75, 1714263), (85, 1512585), (153, 840325), (225, 571421), (255, 504195), (425, 302517), (765, 168065), (1275, 100839), (3825, 33613)]