13975143

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 23901696

約数和(自身を除く): 9926553

約数列:

[1, 3, 7, 13, 21, 39, 49, 71, 91, 103, 147, 213, 273, 309, 497, 637, 721, 923, 1339, 1491, 1911, 2163, 2769, 3479, 4017, 5047, 6461, 7313, 9373, 10437, 15141, 19383, 21939, 28119, 45227, 51191, 65611, 95069, 135681, 153573, 196833, 285207, 358337, 665483, 1075011, 1996449, 4658381, 13975143]

約数ペア:

[(1, 13975143), (3, 4658381), (7, 1996449), (13, 1075011), (21, 665483), (39, 358337), (49, 285207), (71, 196833), (91, 153573), (103, 135681), (147, 95069), (213, 65611), (273, 51191), (309, 45227), (497, 28119), (637, 21939), (721, 19383), (923, 15141), (1339, 10437), (1491, 9373), (1911, 7313), (2163, 6461), (2769, 5047), (3479, 4017)]