207972891

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{1699}}^1$

素因数の和:1808

約数の個数: 48

約数和(自身を含む): 360672000

約数和(自身を除く): 152699109

約数列:

[1, 3, 7, 9, 21, 29, 63, 67, 87, 201, 203, 261, 469, 603, 609, 1407, 1699, 1827, 1943, 4221, 5097, 5829, 11893, 13601, 15291, 17487, 35679, 40803, 49271, 107037, 113833, 122409, 147813, 341499, 344897, 443439, 796831, 1024497, 1034691, 2390493, 3104073, 3301157, 7171479, 9903471, 23108099, 29710413, 69324297, 207972891]

約数ペア:

[(1, 207972891), (3, 69324297), (7, 29710413), (9, 23108099), (21, 9903471), (29, 7171479), (63, 3301157), (67, 3104073), (87, 2390493), (201, 1034691), (203, 1024497), (261, 796831), (469, 443439), (603, 344897), (609, 341499), (1407, 147813), (1699, 122409), (1827, 113833), (1943, 107037), (4221, 49271), (5097, 40803), (5829, 35679), (11893, 17487), (13601, 15291)]