257723037

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4657}}^1$

素因数の和:4730

約数の個数: 48

約数和(自身を含む): 447615168

約数和(自身を除く): 189892131

約数列:

[1, 3, 9, 11, 13, 33, 39, 43, 99, 117, 129, 143, 387, 429, 473, 559, 1287, 1419, 1677, 4257, 4657, 5031, 6149, 13971, 18447, 41913, 51227, 55341, 60541, 153681, 181623, 200251, 461043, 544869, 600753, 665951, 1802259, 1997853, 2202761, 2603263, 5993559, 6608283, 7809789, 19824849, 23429367, 28635893, 85907679, 257723037]

約数ペア:

[(1, 257723037), (3, 85907679), (9, 28635893), (11, 23429367), (13, 19824849), (33, 7809789), (39, 6608283), (43, 5993559), (99, 2603263), (117, 2202761), (129, 1997853), (143, 1802259), (387, 665951), (429, 600753), (473, 544869), (559, 461043), (1287, 200251), (1419, 181623), (1677, 153681), (4257, 60541), (4657, 55341), (5031, 51227), (6149, 41913), (13971, 18447)]