85128075

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{19913}}^1$

素因数の和:19948

約数の個数: 36

約数和(自身を含む): 160506840

約数和(自身を除く): 75378765

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 475, 855, 1425, 4275, 19913, 59739, 99565, 179217, 298695, 378347, 497825, 896085, 1135041, 1493475, 1891735, 3405123, 4480425, 5675205, 9458675, 17025615, 28376025, 85128075]

約数ペア:

[(1, 85128075), (3, 28376025), (5, 17025615), (9, 9458675), (15, 5675205), (19, 4480425), (25, 3405123), (45, 1891735), (57, 1493475), (75, 1135041), (95, 896085), (171, 497825), (225, 378347), (285, 298695), (475, 179217), (855, 99565), (1425, 59739), (4275, 19913)]