28857285

素因数分解:

$3^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{1481}}^1$

素因数の和:1925

約数の個数: 24

約数和(自身を含む): 50168664

約数和(自身を除く): 21311379

約数列:

[1, 3, 5, 9, 15, 45, 433, 1299, 1481, 2165, 3897, 4443, 6495, 7405, 13329, 19485, 22215, 66645, 641273, 1923819, 3206365, 5771457, 9619095, 28857285]

約数ペア:

[(1, 28857285), (3, 9619095), (5, 5771457), (9, 3206365), (15, 1923819), (45, 641273), (433, 66645), (1299, 22215), (1481, 19485), (2165, 13329), (3897, 7405), (4443, 6495)]