23208003

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{659}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 42282240

約数和(自身を除く): 19074237

約数列:

[1, 3, 7, 9, 13, 21, 39, 43, 63, 91, 117, 129, 273, 301, 387, 559, 659, 819, 903, 1677, 1977, 2709, 3913, 4613, 5031, 5931, 8567, 11739, 13839, 25701, 28337, 35217, 41517, 59969, 77103, 85011, 179907, 198359, 255033, 368381, 539721, 595077, 1105143, 1785231, 2578667, 3315429, 7736001, 23208003]

約数ペア:

[(1, 23208003), (3, 7736001), (7, 3315429), (9, 2578667), (13, 1785231), (21, 1105143), (39, 595077), (43, 539721), (63, 368381), (91, 255033), (117, 198359), (129, 179907), (273, 85011), (301, 77103), (387, 59969), (559, 41517), (659, 35217), (819, 28337), (903, 25701), (1677, 13839), (1977, 11739), (2709, 8567), (3913, 5931), (4613, 5031)]