128857671

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{9463}}^1$

素因数の和:9575

約数の個数: 24

約数和(自身を含む): 199311840

約数和(自身を除く): 70454169

約数列:

[1, 3, 9, 17, 51, 89, 153, 267, 801, 1513, 4539, 9463, 13617, 28389, 85167, 160871, 482613, 842207, 1447839, 2526621, 7579863, 14317519, 42952557, 128857671]

約数ペア:

[(1, 128857671), (3, 42952557), (9, 14317519), (17, 7579863), (51, 2526621), (89, 1447839), (153, 842207), (267, 482613), (801, 160871), (1513, 85167), (4539, 28389), (9463, 13617)]