128664075

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{100913}}^1$

素因数の和:100943

約数の個数: 24

約数和(自身を含む): 225240048

約数和(自身を除く): 96575973

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 100913, 302739, 504565, 1513695, 1715521, 2522825, 5146563, 7568475, 8577605, 25732815, 42888025, 128664075]

約数ペア:

[(1, 128664075), (3, 42888025), (5, 25732815), (15, 8577605), (17, 7568475), (25, 5146563), (51, 2522825), (75, 1715521), (85, 1513695), (255, 504565), (425, 302739), (1275, 100913)]