52380321

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{71}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 87229440

約数和(自身を除く): 34849119

約数列:

[1, 3, 7, 19, 21, 43, 57, 71, 129, 133, 213, 301, 399, 497, 817, 903, 1349, 1491, 1849, 2451, 3053, 4047, 5547, 5719, 9159, 9443, 12943, 17157, 21371, 28329, 35131, 38829, 58007, 64113, 105393, 131279, 174021, 245917, 393837, 406049, 737751, 918953, 1218147, 2494301, 2756859, 7482903, 17460107, 52380321]

約数ペア:

[(1, 52380321), (3, 17460107), (7, 7482903), (19, 2756859), (21, 2494301), (43, 1218147), (57, 918953), (71, 737751), (129, 406049), (133, 393837), (213, 245917), (301, 174021), (399, 131279), (497, 105393), (817, 64113), (903, 58007), (1349, 38829), (1491, 35131), (1849, 28329), (2451, 21371), (3053, 17157), (4047, 12943), (5547, 9443), (5719, 9159)]