7147287

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{853}}^1$

素因数の和:892

約数の個数: 36

約数和(自身を含む): 12656280

約数和(自身を除く): 5508993

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 853, 931, 1197, 2559, 2793, 5971, 7677, 8379, 16207, 17913, 41797, 48621, 53739, 113449, 125391, 145863, 340347, 376173, 794143, 1021041, 2382429, 7147287]

約数ペア:

[(1, 7147287), (3, 2382429), (7, 1021041), (9, 794143), (19, 376173), (21, 340347), (49, 145863), (57, 125391), (63, 113449), (133, 53739), (147, 48621), (171, 41797), (399, 17913), (441, 16207), (853, 8379), (931, 7677), (1197, 5971), (2559, 2793)]