28667067

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3517}}^1$

素因数の和:3563

約数の個数: 32

約数和(自身を含む): 47281920

約数和(自身を除く): 18614853

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 143, 209, 247, 429, 627, 741, 2717, 3517, 8151, 10551, 38687, 45721, 66823, 116061, 137163, 200469, 502931, 735053, 868699, 1508793, 2205159, 2606097, 9555689, 28667067]

約数ペア:

[(1, 28667067), (3, 9555689), (11, 2606097), (13, 2205159), (19, 1508793), (33, 868699), (39, 735053), (57, 502931), (143, 200469), (209, 137163), (247, 116061), (429, 66823), (627, 45721), (741, 38687), (2717, 10551), (3517, 8151)]