1855287

素因数分解:

$3^2\times 7^3\times {\mathrm{601}}^1$

素因数の和:628

約数の個数: 24

約数和(自身を含む): 3130400

約数和(自身を除く): 1275113

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 601, 1029, 1803, 3087, 4207, 5409, 12621, 29449, 37863, 88347, 206143, 265041, 618429, 1855287]

約数ペア:

[(1, 1855287), (3, 618429), (7, 265041), (9, 206143), (21, 88347), (49, 37863), (63, 29449), (147, 12621), (343, 5409), (441, 4207), (601, 3087), (1029, 1803)]