208391031

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{5099}}^1$

素因数の和:5363

約数の個数: 24

約数和(自身を含む): 318240000

約数和(自身を除く): 109848969

約数列:

[1, 3, 9, 19, 57, 171, 239, 717, 2151, 4541, 5099, 13623, 15297, 40869, 45891, 96881, 290643, 871929, 1218661, 3655983, 10967949, 23154559, 69463677, 208391031]

約数ペア:

[(1, 208391031), (3, 69463677), (9, 23154559), (19, 10967949), (57, 3655983), (171, 1218661), (239, 871929), (717, 290643), (2151, 96881), (4541, 45891), (5099, 40869), (13623, 15297)]