28060305

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1$

素因数の和:426

約数の個数: 64

約数和(自身を含む): 56329728

約数和(自身を除く): 28269423

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 61, 65, 91, 105, 183, 195, 273, 305, 337, 427, 455, 793, 915, 1011, 1281, 1365, 1685, 2135, 2359, 2379, 3965, 4381, 5055, 5551, 6405, 7077, 11795, 11895, 13143, 16653, 20557, 21905, 27755, 30667, 35385, 61671, 65715, 83265, 92001, 102785, 143899, 153335, 267241, 308355, 431697, 460005, 719495, 801723, 1336205, 1870687, 2158485, 4008615, 5612061, 9353435, 28060305]

約数ペア:

[(1, 28060305), (3, 9353435), (5, 5612061), (7, 4008615), (13, 2158485), (15, 1870687), (21, 1336205), (35, 801723), (39, 719495), (61, 460005), (65, 431697), (91, 308355), (105, 267241), (183, 153335), (195, 143899), (273, 102785), (305, 92001), (337, 83265), (427, 65715), (455, 61671), (793, 35385), (915, 30667), (1011, 27755), (1281, 21905), (1365, 20557), (1685, 16653), (2135, 13143), (2359, 11895), (2379, 11795), (3965, 7077), (4381, 6405), (5055, 5551)]