203401107

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2087}}^1$

素因数の和:2137

約数の個数: 72

約数和(自身を含む): 389896416

約数和(自身を除く): 186495309

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 49, 51, 63, 91, 117, 119, 147, 153, 221, 273, 357, 441, 637, 663, 819, 833, 1071, 1547, 1911, 1989, 2087, 2499, 4641, 5733, 6261, 7497, 10829, 13923, 14609, 18783, 27131, 32487, 35479, 43827, 81393, 97461, 102263, 106437, 131481, 189917, 244179, 248353, 306789, 319311, 461227, 569751, 745059, 920367, 1329419, 1383681, 1709253, 1738471, 2235177, 3228589, 3988257, 4151043, 5215413, 9685767, 11964771, 15646239, 22600123, 29057301, 67800369, 203401107]

約数ペア:

[(1, 203401107), (3, 67800369), (7, 29057301), (9, 22600123), (13, 15646239), (17, 11964771), (21, 9685767), (39, 5215413), (49, 4151043), (51, 3988257), (63, 3228589), (91, 2235177), (117, 1738471), (119, 1709253), (147, 1383681), (153, 1329419), (221, 920367), (273, 745059), (357, 569751), (441, 461227), (637, 319311), (663, 306789), (819, 248353), (833, 244179), (1071, 189917), (1547, 131481), (1911, 106437), (1989, 102263), (2087, 97461), (2499, 81393), (4641, 43827), (5733, 35479), (6261, 32487), (7497, 27131), (10829, 18783), (13923, 14609)]