28512141

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{3761}}^1$

素因数の和:3809

約数の個数: 24

約数和(自身を含む): 45866304

約数和(自身を除く): 17354163

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 2527, 3761, 7581, 11283, 26327, 71459, 78981, 214377, 500213, 1357721, 1500639, 4073163, 9504047, 28512141]

約数ペア:

[(1, 28512141), (3, 9504047), (7, 4073163), (19, 1500639), (21, 1357721), (57, 500213), (133, 214377), (361, 78981), (399, 71459), (1083, 26327), (2527, 11283), (3761, 7581)]