18276951

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 31518720

約数和(自身を除く): 13241769

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 89, 127, 147, 231, 267, 381, 539, 623, 889, 979, 1397, 1617, 1869, 2667, 2937, 4191, 4361, 6223, 6853, 9779, 11303, 13083, 18669, 20559, 29337, 33909, 47971, 68453, 79121, 124333, 143913, 205359, 237363, 372999, 553847, 870331, 1661541, 2610993, 6092317, 18276951]

約数ペア:

[(1, 18276951), (3, 6092317), (7, 2610993), (11, 1661541), (21, 870331), (33, 553847), (49, 372999), (77, 237363), (89, 205359), (127, 143913), (147, 124333), (231, 79121), (267, 68453), (381, 47971), (539, 33909), (623, 29337), (889, 20559), (979, 18669), (1397, 13083), (1617, 11303), (1869, 9779), (2667, 6853), (2937, 6223), (4191, 4361)]