2019945669

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{1879}}^1$

素因数の和:2070

約数の個数: 48

約数和(自身を含む): 3209656320

約数和(自身を除く): 1189710651

約数列:

[1, 3, 7, 21, 49, 71, 103, 147, 213, 309, 497, 721, 1491, 1879, 2163, 3479, 5047, 5637, 7313, 10437, 13153, 15141, 21939, 39459, 51191, 92071, 133409, 153573, 193537, 276213, 358337, 400227, 580611, 933863, 1075011, 1354759, 2801589, 4064277, 6537041, 9483313, 13741127, 19611123, 28449939, 41223381, 96187889, 288563667, 673315223, 2019945669]

約数ペア:

[(1, 2019945669), (3, 673315223), (7, 288563667), (21, 96187889), (49, 41223381), (71, 28449939), (103, 19611123), (147, 13741127), (213, 9483313), (309, 6537041), (497, 4064277), (721, 2801589), (1491, 1354759), (1879, 1075011), (2163, 933863), (3479, 580611), (5047, 400227), (5637, 358337), (7313, 276213), (10437, 193537), (13153, 153573), (15141, 133409), (21939, 92071), (39459, 51191)]