208845819

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{11087}}^1$

素因数の和:11136

約数の個数: 48

約数和(自身を含む): 387459072

約数和(自身を除く): 178613253

約数列:

[1, 3, 7, 9, 13, 21, 23, 39, 63, 69, 91, 117, 161, 207, 273, 299, 483, 819, 897, 1449, 2093, 2691, 6279, 11087, 18837, 33261, 77609, 99783, 144131, 232827, 255001, 432393, 698481, 765003, 1008917, 1297179, 1785007, 2295009, 3026751, 3315013, 5355021, 9080253, 9945039, 16065063, 23205091, 29835117, 69615273, 208845819]

約数ペア:

[(1, 208845819), (3, 69615273), (7, 29835117), (9, 23205091), (13, 16065063), (21, 9945039), (23, 9080253), (39, 5355021), (63, 3315013), (69, 3026751), (91, 2295009), (117, 1785007), (161, 1297179), (207, 1008917), (273, 765003), (299, 698481), (483, 432393), (819, 255001), (897, 232827), (1449, 144131), (2093, 99783), (2691, 77609), (6279, 33261), (11087, 18837)]