2256009

素因数分解:

$3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:269

約数の個数: 24

約数和(自身を含む): 3556800

約数和(自身を除く): 1300791

約数列:

[1, 3, 7, 21, 49, 103, 147, 149, 309, 447, 721, 1043, 2163, 3129, 5047, 7301, 15141, 15347, 21903, 46041, 107429, 322287, 752003, 2256009]

約数ペア:

[(1, 2256009), (3, 752003), (7, 322287), (21, 107429), (49, 46041), (103, 21903), (147, 15347), (149, 15141), (309, 7301), (447, 5047), (721, 3129), (1043, 2163)]