128523825

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{33601}}^1$

素因数の和:33634

約数の個数: 36

約数和(自身を含む): 243748908

約数和(自身を除く): 115225083

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 425, 765, 1275, 3825, 33601, 100803, 168005, 302409, 504015, 571217, 840025, 1512045, 1713651, 2520075, 2856085, 5140953, 7560225, 8568255, 14280425, 25704765, 42841275, 128523825]

約数ペア:

[(1, 128523825), (3, 42841275), (5, 25704765), (9, 14280425), (15, 8568255), (17, 7560225), (25, 5140953), (45, 2856085), (51, 2520075), (75, 1713651), (85, 1512045), (153, 840025), (225, 571217), (255, 504015), (425, 302409), (765, 168005), (1275, 100803), (3825, 33601)]