28870497

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{661}}^1$

素因数の和:901

約数の個数: 24

約数和(自身を含む): 43787328

約数和(自身を除く): 14916831

約数列:

[1, 3, 9, 23, 69, 207, 211, 633, 661, 1899, 1983, 4853, 5949, 14559, 15203, 43677, 45609, 136827, 139471, 418413, 1255239, 3207833, 9623499, 28870497]

約数ペア:

[(1, 28870497), (3, 9623499), (9, 3207833), (23, 1255239), (69, 418413), (207, 139471), (211, 136827), (633, 45609), (661, 43677), (1899, 15203), (1983, 14559), (4853, 5949)]