28206717

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5309}}^1$

素因数の和:5353

約数の個数: 32

約数和(自身を含む): 48936960

約数和(自身を除く): 20730243

約数列:

[1, 3, 7, 11, 21, 23, 33, 69, 77, 161, 231, 253, 483, 759, 1771, 5309, 5313, 15927, 37163, 58399, 111489, 122107, 175197, 366321, 408793, 854749, 1226379, 1343177, 2564247, 4029531, 9402239, 28206717]

約数ペア:

[(1, 28206717), (3, 9402239), (7, 4029531), (11, 2564247), (21, 1343177), (23, 1226379), (33, 854749), (69, 408793), (77, 366321), (161, 175197), (231, 122107), (253, 111489), (483, 58399), (759, 37163), (1771, 15927), (5309, 5313)]