2080804551

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{1493}}^1$

素因数の和:2028

約数の個数: 48

約数和(自身を含む): 3406320000

約数和(自身を除く): 1325515449

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 499, 931, 1493, 1497, 2793, 3493, 4479, 9481, 10451, 10479, 24451, 28367, 28443, 31353, 66367, 73157, 73353, 85101, 198569, 199101, 219471, 464569, 595707, 745007, 1389983, 1393707, 2235021, 4169949, 5215049, 14155133, 15645147, 36505343, 42465399, 99085931, 109516029, 297257793, 693601517, 2080804551]

約数ペア:

[(1, 2080804551), (3, 693601517), (7, 297257793), (19, 109516029), (21, 99085931), (49, 42465399), (57, 36505343), (133, 15645147), (147, 14155133), (399, 5215049), (499, 4169949), (931, 2235021), (1493, 1393707), (1497, 1389983), (2793, 745007), (3493, 595707), (4479, 464569), (9481, 219471), (10451, 199101), (10479, 198569), (24451, 85101), (28367, 73353), (28443, 73157), (31353, 66367)]