28684887

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5399}}^1$

素因数の和:5443

約数の個数: 32

約数和(自身を含む): 49766400

約数和(自身を除く): 21081513

約数列:

[1, 3, 7, 11, 21, 23, 33, 69, 77, 161, 231, 253, 483, 759, 1771, 5313, 5399, 16197, 37793, 59389, 113379, 124177, 178167, 372531, 415723, 869239, 1247169, 1365947, 2607717, 4097841, 9561629, 28684887]

約数ペア:

[(1, 28684887), (3, 9561629), (7, 4097841), (11, 2607717), (21, 1365947), (23, 1247169), (33, 869239), (69, 415723), (77, 372531), (161, 178167), (231, 124177), (253, 113379), (483, 59389), (759, 37793), (1771, 16197), (5313, 5399)]