25555005

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2617}}^1$

素因数の和:2666

約数の個数: 48

約数和(自身を含む): 52276224

約数和(自身を除く): 26721219

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 63, 93, 105, 155, 217, 279, 315, 465, 651, 1085, 1395, 1953, 2617, 3255, 7851, 9765, 13085, 18319, 23553, 39255, 54957, 81127, 91595, 117765, 164871, 243381, 274785, 405635, 567889, 730143, 824355, 1216905, 1703667, 2839445, 3650715, 5111001, 8518335, 25555005]

約数ペア:

[(1, 25555005), (3, 8518335), (5, 5111001), (7, 3650715), (9, 2839445), (15, 1703667), (21, 1216905), (31, 824355), (35, 730143), (45, 567889), (63, 405635), (93, 274785), (105, 243381), (155, 164871), (217, 117765), (279, 91595), (315, 81127), (465, 54957), (651, 39255), (1085, 23553), (1395, 18319), (1953, 13085), (2617, 9765), (3255, 7851)]