28667303

素因数分解:

$7^2\times {\mathrm{449}}^1\times {\mathrm{1303}}^1$

素因数の和:1766

約数の個数: 12

約数和(自身を含む): 33447600

約数和(自身を除く): 4780297

約数列:

[1, 7, 49, 449, 1303, 3143, 9121, 22001, 63847, 585047, 4095329, 28667303]

約数ペア:

[(1, 28667303), (7, 4095329), (49, 585047), (449, 63847), (1303, 22001), (3143, 9121)]