209567223

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 337367040

約数和(自身を除く): 127799817

約数列:

[1, 3, 9, 27, 31, 37, 67, 93, 101, 111, 201, 279, 303, 333, 603, 837, 909, 999, 1147, 1809, 2077, 2479, 2727, 3131, 3441, 3737, 6231, 6767, 7437, 9393, 10323, 11211, 18693, 20301, 22311, 28179, 30969, 33633, 56079, 60903, 66933, 76849, 84537, 100899, 115847, 182709, 209777, 230547, 250379, 347541, 629331, 691641, 751137, 1042623, 1887993, 2074923, 2253411, 3127869, 5663979, 6760233, 7761749, 23285247, 69855741, 209567223]

約数ペア:

[(1, 209567223), (3, 69855741), (9, 23285247), (27, 7761749), (31, 6760233), (37, 5663979), (67, 3127869), (93, 2253411), (101, 2074923), (111, 1887993), (201, 1042623), (279, 751137), (303, 691641), (333, 629331), (603, 347541), (837, 250379), (909, 230547), (999, 209777), (1147, 182709), (1809, 115847), (2077, 100899), (2479, 84537), (2727, 76849), (3131, 66933), (3441, 60903), (3737, 56079), (6231, 33633), (6767, 30969), (7437, 28179), (9393, 22311), (10323, 20301), (11211, 18693)]