20172888891

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{1567}}^1\times {\mathrm{9349}}^1$

素因数の和:10945

約数の個数: 40

約数和(自身を含む): 31931222400

約数和(自身を除く): 11758333509

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 1567, 4701, 9349, 14103, 26639, 28047, 42309, 79917, 84141, 126927, 158933, 239751, 252423, 476799, 719253, 757269, 1430397, 2157759, 4291191, 12873573, 14649883, 43949649, 131848947, 249048011, 395546841, 747144033, 1186640523, 2241432099, 6724296297, 20172888891]

約数ペア:

[(1, 20172888891), (3, 6724296297), (9, 2241432099), (17, 1186640523), (27, 747144033), (51, 395546841), (81, 249048011), (153, 131848947), (459, 43949649), (1377, 14649883), (1567, 12873573), (4701, 4291191), (9349, 2157759), (14103, 1430397), (26639, 757269), (28047, 719253), (42309, 476799), (79917, 252423), (84141, 239751), (126927, 158933)]