2857815

素因数分解:

$3^3\times 5^1\times {\mathrm{21169}}^1$

素因数の和:21183

約数の個数: 16

約数和(自身を含む): 5080800

約数和(自身を除く): 2222985

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 21169, 63507, 105845, 190521, 317535, 571563, 952605, 2857815]

約数ペア:

[(1, 2857815), (3, 952605), (5, 571563), (9, 317535), (15, 190521), (27, 105845), (45, 63507), (135, 21169)]