28085805

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18913}}^1$

素因数の和:18938

約数の個数: 32

約数和(自身を含む): 54472320

約数和(自身を除く): 26386515

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485, 18913, 56739, 94565, 170217, 208043, 283695, 510651, 624129, 851085, 1040215, 1872387, 2553255, 3120645, 5617161, 9361935, 28085805]

約数ペア:

[(1, 28085805), (3, 9361935), (5, 5617161), (9, 3120645), (11, 2553255), (15, 1872387), (27, 1040215), (33, 851085), (45, 624129), (55, 510651), (99, 283695), (135, 208043), (165, 170217), (297, 94565), (495, 56739), (1485, 18913)]