28539159

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1979}}^1$

素因数の和:2035

約数の個数: 32

約数和(自身を含む): 45619200

約数和(自身を除く): 17080041

約数列:

[1, 3, 11, 19, 23, 33, 57, 69, 209, 253, 437, 627, 759, 1311, 1979, 4807, 5937, 14421, 21769, 37601, 45517, 65307, 112803, 136551, 413611, 500687, 864823, 1240833, 1502061, 2594469, 9513053, 28539159]

約数ペア:

[(1, 28539159), (3, 9513053), (11, 2594469), (19, 1502061), (23, 1240833), (33, 864823), (57, 500687), (69, 413611), (209, 136551), (253, 112803), (437, 65307), (627, 45517), (759, 37601), (1311, 21769), (1979, 14421), (4807, 5937)]