128927745

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{168533}}^1$

素因数の和:168561

約数の個数: 24

約数和(自身を含む): 236621736

約数和(自身を除く): 107693991

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 168533, 505599, 842665, 1516797, 2527995, 2865061, 7583985, 8595183, 14325305, 25785549, 42975915, 128927745]

約数ペア:

[(1, 128927745), (3, 42975915), (5, 25785549), (9, 14325305), (15, 8595183), (17, 7583985), (45, 2865061), (51, 2527995), (85, 1516797), (153, 842665), (255, 505599), (765, 168533)]