26890857

素因数分解:

$3^2\times 7^3\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:339

約数の個数: 48

約数和(自身を含む): 46924800

約数和(自身を除く): 20033943

約数列:

[1, 3, 7, 9, 21, 31, 49, 63, 93, 147, 217, 279, 281, 343, 441, 651, 843, 1029, 1519, 1953, 1967, 2529, 3087, 4557, 5901, 8711, 10633, 13671, 13769, 17703, 26133, 31899, 41307, 60977, 78399, 95697, 96383, 123921, 182931, 289149, 426839, 548793, 867447, 1280517, 2987873, 3841551, 8963619, 26890857]

約数ペア:

[(1, 26890857), (3, 8963619), (7, 3841551), (9, 2987873), (21, 1280517), (31, 867447), (49, 548793), (63, 426839), (93, 289149), (147, 182931), (217, 123921), (279, 96383), (281, 95697), (343, 78399), (441, 60977), (651, 41307), (843, 31899), (1029, 26133), (1519, 17703), (1953, 13769), (1967, 13671), (2529, 10633), (3087, 8711), (4557, 5901)]