198634779

素因数分解:

$3^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{4373}}^1$

素因数の和:4496

約数の個数: 36

約数和(自身を含む): 337077936

約数和(自身を除く): 138443157

約数列:

[1, 3, 7, 9, 21, 49, 63, 103, 147, 309, 441, 721, 927, 2163, 4373, 5047, 6489, 13119, 15141, 30611, 39357, 45423, 91833, 214277, 275499, 450419, 642831, 1351257, 1928493, 3152933, 4053771, 9458799, 22070531, 28376397, 66211593, 198634779]

約数ペア:

[(1, 198634779), (3, 66211593), (7, 28376397), (9, 22070531), (21, 9458799), (49, 4053771), (63, 3152933), (103, 1928493), (147, 1351257), (309, 642831), (441, 450419), (721, 275499), (927, 214277), (2163, 91833), (4373, 45423), (5047, 39357), (6489, 30611), (13119, 15141)]