28681653

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9551}}^1$

素因数の和:9585

約数の個数: 32

約数和(自身を含む): 51351552

約数和(自身を除く): 22669899

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 231, 273, 429, 1001, 3003, 9551, 28653, 66857, 105061, 124163, 200571, 315183, 372489, 735427, 869141, 1365793, 2206281, 2607423, 4097379, 9560551, 28681653]

約数ペア:

[(1, 28681653), (3, 9560551), (7, 4097379), (11, 2607423), (13, 2206281), (21, 1365793), (33, 869141), (39, 735427), (77, 372489), (91, 315183), (143, 200571), (231, 124163), (273, 105061), (429, 66857), (1001, 28653), (3003, 9551)]