27698979

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6311}}^1$

素因数の和:6351

約数の個数: 32

約数和(自身を含む): 48476160

約数和(自身を除く): 20777181

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463, 4389, 6311, 18933, 44177, 69421, 119909, 132531, 208263, 359727, 485947, 839363, 1318999, 1457841, 2518089, 3956997, 9232993, 27698979]

約数ペア:

[(1, 27698979), (3, 9232993), (7, 3956997), (11, 2518089), (19, 1457841), (21, 1318999), (33, 839363), (57, 485947), (77, 359727), (133, 208263), (209, 132531), (231, 119909), (399, 69421), (627, 44177), (1463, 18933), (4389, 6311)]