198668883

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{857}}^1$

素因数の和:976

約数の個数: 48

約数和(自身を含む): 328648320

約数和(自身を除く): 129979437

約数列:

[1, 3, 7, 19, 21, 49, 57, 83, 133, 147, 249, 399, 581, 857, 931, 1577, 1743, 2571, 2793, 4067, 4731, 5999, 11039, 12201, 16283, 17997, 33117, 41993, 48849, 71131, 77273, 113981, 125979, 213393, 231819, 341943, 497917, 797867, 1351489, 1493751, 2393601, 3485419, 4054467, 9460423, 10456257, 28381269, 66222961, 198668883]

約数ペア:

[(1, 198668883), (3, 66222961), (7, 28381269), (19, 10456257), (21, 9460423), (49, 4054467), (57, 3485419), (83, 2393601), (133, 1493751), (147, 1351489), (249, 797867), (399, 497917), (581, 341943), (857, 231819), (931, 213393), (1577, 125979), (1743, 113981), (2571, 77273), (2793, 71131), (4067, 48849), (4731, 41993), (5999, 33117), (11039, 17997), (12201, 16283)]