25155963

素因数分解:

$3^2\times 7^3\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:337

約数の個数: 48

約数和(自身を含む): 43992000

約数和(自身を除く): 18836037

約数列:

[1, 3, 7, 9, 21, 29, 49, 63, 87, 147, 203, 261, 281, 343, 441, 609, 843, 1029, 1421, 1827, 1967, 2529, 3087, 4263, 5901, 8149, 9947, 12789, 13769, 17703, 24447, 29841, 41307, 57043, 73341, 89523, 96383, 123921, 171129, 289149, 399301, 513387, 867447, 1197903, 2795107, 3593709, 8385321, 25155963]

約数ペア:

[(1, 25155963), (3, 8385321), (7, 3593709), (9, 2795107), (21, 1197903), (29, 867447), (49, 513387), (63, 399301), (87, 289149), (147, 171129), (203, 123921), (261, 96383), (281, 89523), (343, 73341), (441, 57043), (609, 41307), (843, 29841), (1029, 24447), (1421, 17703), (1827, 13769), (1967, 12789), (2529, 9947), (3087, 8149), (4263, 5901)]