2543541

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^3\times {\mathrm{13}}^1$

素因数の和:63

約数の個数: 48

約数和(自身を含む): 4673088

約数和(自身を除く): 2129547

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 49, 77, 91, 121, 143, 147, 231, 273, 363, 429, 539, 637, 847, 1001, 1331, 1573, 1617, 1911, 2541, 3003, 3993, 4719, 5929, 7007, 9317, 11011, 17303, 17787, 21021, 27951, 33033, 51909, 65219, 77077, 121121, 195657, 231231, 363363, 847847, 2543541]

約数ペア:

[(1, 2543541), (3, 847847), (7, 363363), (11, 231231), (13, 195657), (21, 121121), (33, 77077), (39, 65219), (49, 51909), (77, 33033), (91, 27951), (121, 21021), (143, 17787), (147, 17303), (231, 11011), (273, 9317), (363, 7007), (429, 5929), (539, 4719), (637, 3993), (847, 3003), (1001, 2541), (1331, 1911), (1573, 1617)]