628881

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:109

約数の個数: 32

約数和(自身を含む): 1036800

約数和(自身を除く): 407919

約数列:

[1, 3, 11, 17, 19, 33, 51, 57, 59, 177, 187, 209, 323, 561, 627, 649, 969, 1003, 1121, 1947, 3009, 3363, 3553, 10659, 11033, 12331, 19057, 33099, 36993, 57171, 209627, 628881]

約数ペア:

[(1, 628881), (3, 209627), (11, 57171), (17, 36993), (19, 33099), (33, 19057), (51, 12331), (57, 11033), (59, 10659), (177, 3553), (187, 3363), (209, 3009), (323, 1947), (561, 1121), (627, 1003), (649, 969)]