30820293

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 53886976

約数和(自身を除く): 23066683

約数列:

[1, 3, 7, 9, 21, 31, 43, 63, 93, 129, 217, 279, 301, 367, 387, 651, 903, 1101, 1333, 1953, 2569, 2709, 3303, 3999, 7707, 9331, 11377, 11997, 15781, 23121, 27993, 34131, 47343, 79639, 83979, 102393, 110467, 142029, 238917, 331401, 489211, 716751, 994203, 1467633, 3424477, 4402899, 10273431, 30820293]

約数ペア:

[(1, 30820293), (3, 10273431), (7, 4402899), (9, 3424477), (21, 1467633), (31, 994203), (43, 716751), (63, 489211), (93, 331401), (129, 238917), (217, 142029), (279, 110467), (301, 102393), (367, 83979), (387, 79639), (651, 47343), (903, 34131), (1101, 27993), (1333, 23121), (1953, 15781), (2569, 11997), (2709, 11377), (3303, 9331), (3999, 7707)]