1720341231

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2087}}^1\times {\mathrm{2309}}^1$

素因数の和:4423

約数の個数: 32

約数和(自身を含む): 2778209280

約数和(自身を除く): 1057868049

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 2087, 2309, 6261, 6927, 14609, 16163, 35479, 39253, 43827, 48489, 106437, 117759, 248353, 274771, 745059, 824313, 4818883, 14456649, 33732181, 81921011, 101196543, 245763033, 573447077, 1720341231]

約数ペア:

[(1, 1720341231), (3, 573447077), (7, 245763033), (17, 101196543), (21, 81921011), (51, 33732181), (119, 14456649), (357, 4818883), (2087, 824313), (2309, 745059), (6261, 274771), (6927, 248353), (14609, 117759), (16163, 106437), (35479, 48489), (39253, 43827)]