208261641

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{14107}}^1$

素因数の和:14173

約数の個数: 32

約数和(自身を含む): 343106560

約数和(自身を除く): 134844919

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 259, 399, 703, 777, 2109, 4921, 14107, 14763, 42321, 98749, 268033, 296247, 521959, 804099, 1565877, 1876231, 3653713, 5628693, 9917221, 10961139, 29751663, 69420547, 208261641]

約数ペア:

[(1, 208261641), (3, 69420547), (7, 29751663), (19, 10961139), (21, 9917221), (37, 5628693), (57, 3653713), (111, 1876231), (133, 1565877), (259, 804099), (399, 521959), (703, 296247), (777, 268033), (2109, 98749), (4921, 42321), (14107, 14763)]