28005909

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{487}}^1\times {\mathrm{661}}^1$

素因数の和:1180

約数の個数: 16

約数和(自身を含む): 38766720

約数和(自身を除く): 10760811

約数列:

[1, 3, 29, 87, 487, 661, 1461, 1983, 14123, 19169, 42369, 57507, 321907, 965721, 9335303, 28005909]

約数ペア:

[(1, 28005909), (3, 9335303), (29, 965721), (87, 321907), (487, 57507), (661, 42369), (1461, 19169), (1983, 14123)]