123991587

素因数分解:

$3^3\times {\mathrm{19}}^2\times {\mathrm{12721}}^1$

素因数の和:12768

約数の個数: 24

約数和(自身を含む): 193883280

約数和(自身を除く): 69891693

約数列:

[1, 3, 9, 19, 27, 57, 171, 361, 513, 1083, 3249, 9747, 12721, 38163, 114489, 241699, 343467, 725097, 2175291, 4592281, 6525873, 13776843, 41330529, 123991587]

約数ペア:

[(1, 123991587), (3, 41330529), (9, 13776843), (19, 6525873), (27, 4592281), (57, 2175291), (171, 725097), (361, 343467), (513, 241699), (1083, 114489), (3249, 38163), (9747, 12721)]