1720432881

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{2819}}^1$

素因数の和:2970

約数の個数: 48

約数和(自身を含む): 2709907200

約数和(自身を除く): 989474319

約数列:

[1, 3, 9, 19, 43, 57, 83, 129, 171, 249, 387, 747, 817, 1577, 2451, 2819, 3569, 4731, 7353, 8457, 10707, 14193, 25371, 32121, 53561, 67811, 121217, 160683, 203433, 233977, 363651, 482049, 610299, 701931, 1090953, 2105793, 2303123, 4445563, 6909369, 10061011, 13336689, 20728107, 30183033, 40010067, 90549099, 191159209, 573477627, 1720432881]

約数ペア:

[(1, 1720432881), (3, 573477627), (9, 191159209), (19, 90549099), (43, 40010067), (57, 30183033), (83, 20728107), (129, 13336689), (171, 10061011), (249, 6909369), (387, 4445563), (747, 2303123), (817, 2105793), (1577, 1090953), (2451, 701931), (2819, 610299), (3569, 482049), (4731, 363651), (7353, 233977), (8457, 203433), (10707, 160683), (14193, 121217), (25371, 67811), (32121, 53561)]