2854305

素因数分解:

$3^3\times 5^1\times {\mathrm{21143}}^1$

素因数の和:21157

約数の個数: 16

約数和(自身を含む): 5074560

約数和(自身を除く): 2220255

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 21143, 63429, 105715, 190287, 317145, 570861, 951435, 2854305]

約数ペア:

[(1, 2854305), (3, 951435), (5, 570861), (9, 317145), (15, 190287), (27, 105715), (45, 63429), (135, 21143)]