12729639

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{419}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 19756800

約数和(自身を除く): 7027161

約数列:

[1, 3, 13, 19, 39, 41, 57, 123, 247, 419, 533, 741, 779, 1257, 1599, 2337, 5447, 7961, 10127, 16341, 17179, 23883, 30381, 51537, 103493, 223327, 310479, 326401, 669981, 979203, 4243213, 12729639]

約数ペア:

[(1, 12729639), (3, 4243213), (13, 979203), (19, 669981), (39, 326401), (41, 310479), (57, 223327), (123, 103493), (247, 51537), (419, 30381), (533, 23883), (741, 17179), (779, 16341), (1257, 10127), (1599, 7961), (2337, 5447)]