18068211

素因数分解:

$3^3\times 7^3\times {\mathrm{1951}}^1$

素因数の和:1981

約数の個数: 32

約数和(自身を含む): 31232000

約数和(自身を除く): 13163789

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 343, 441, 1029, 1323, 1951, 3087, 5853, 9261, 13657, 17559, 40971, 52677, 95599, 122913, 286797, 368739, 669193, 860391, 2007579, 2581173, 6022737, 18068211]

約数ペア:

[(1, 18068211), (3, 6022737), (7, 2581173), (9, 2007579), (21, 860391), (27, 669193), (49, 368739), (63, 286797), (147, 122913), (189, 95599), (343, 52677), (441, 40971), (1029, 17559), (1323, 13657), (1951, 9261), (3087, 5853)]