628371

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{37}}^2$

素因数の和:100

約数の個数: 24

約数和(自身を含む): 1013040

約数和(自身を除く): 384669

約数列:

[1, 3, 9, 17, 27, 37, 51, 111, 153, 333, 459, 629, 999, 1369, 1887, 4107, 5661, 12321, 16983, 23273, 36963, 69819, 209457, 628371]

約数ペア:

[(1, 628371), (3, 209457), (9, 69819), (17, 36963), (27, 23273), (37, 16983), (51, 12321), (111, 5661), (153, 4107), (333, 1887), (459, 1369), (629, 999)]