28187241

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{1531}}^1$

素因数の和:1589

約数の個数: 24

約数和(自身を含む): 42025824

約数和(自身を除く): 13838583

約数列:

[1, 3, 17, 19, 51, 57, 323, 361, 969, 1083, 1531, 4593, 6137, 18411, 26027, 29089, 78081, 87267, 494513, 552691, 1483539, 1658073, 9395747, 28187241]

約数ペア:

[(1, 28187241), (3, 9395747), (17, 1658073), (19, 1483539), (51, 552691), (57, 494513), (323, 87267), (361, 78081), (969, 29089), (1083, 26027), (1531, 18411), (4593, 6137)]