123551281

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{311}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 155750400

約数和(自身を除く): 32199119

約数列:

[1, 7, 19, 29, 103, 133, 203, 311, 551, 721, 1957, 2177, 2987, 3857, 5909, 9019, 13699, 20909, 32033, 41363, 56753, 63133, 171361, 224231, 397271, 608627, 928957, 1199527, 4260389, 6502699, 17650183, 123551281]

約数ペア:

[(1, 123551281), (7, 17650183), (19, 6502699), (29, 4260389), (103, 1199527), (133, 928957), (203, 608627), (311, 397271), (551, 224231), (721, 171361), (1957, 63133), (2177, 56753), (2987, 41363), (3857, 32033), (5909, 20909), (9019, 13699)]