208511073

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{2213}}^1$

素因数の和:2286

約数の個数: 36

約数和(自身を含む): 328978260

約数和(自身を除く): 120467187

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 361, 551, 1083, 1653, 2213, 3249, 4959, 6639, 10469, 19917, 31407, 42047, 64177, 94221, 126141, 192531, 378423, 577593, 798893, 1219363, 2396679, 3658089, 7190037, 10974267, 23167897, 69503691, 208511073]

約数ペア:

[(1, 208511073), (3, 69503691), (9, 23167897), (19, 10974267), (29, 7190037), (57, 3658089), (87, 2396679), (171, 1219363), (261, 798893), (361, 577593), (551, 378423), (1083, 192531), (1653, 126141), (2213, 94221), (3249, 64177), (4959, 42047), (6639, 31407), (10469, 19917)]