28878255

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{30559}}^1$

素因数の和:30580

約数の個数: 32

約数和(自身を含む): 58675200

約数和(自身を除く): 29796945

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 30559, 91677, 152795, 213913, 275031, 458385, 641739, 825093, 1069565, 1375155, 1925217, 3208695, 4125465, 5775651, 9626085, 28878255]

約数ペア:

[(1, 28878255), (3, 9626085), (5, 5775651), (7, 4125465), (9, 3208695), (15, 1925217), (21, 1375155), (27, 1069565), (35, 825093), (45, 641739), (63, 458385), (105, 275031), (135, 213913), (189, 152795), (315, 91677), (945, 30559)]