28180413

素因数分解:

$3^3\times {\mathrm{661}}^1\times {\mathrm{1579}}^1$

素因数の和:2249

約数の個数: 16

約数和(自身を含む): 41838400

約数和(自身を除く): 13657987

約数列:

[1, 3, 9, 27, 661, 1579, 1983, 4737, 5949, 14211, 17847, 42633, 1043719, 3131157, 9393471, 28180413]

約数ペア:

[(1, 28180413), (3, 9393471), (9, 3131157), (27, 1043719), (661, 42633), (1579, 17847), (1983, 14211), (4737, 5949)]