12191907

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:148

約数の個数: 64

約数和(自身を含む): 22063104

約数和(自身を除く): 9871197

約数列:

[1, 3, 7, 13, 17, 21, 37, 39, 51, 71, 91, 111, 119, 213, 221, 259, 273, 357, 481, 497, 629, 663, 777, 923, 1207, 1443, 1491, 1547, 1887, 2627, 2769, 3367, 3621, 4403, 4641, 6461, 7881, 8177, 8449, 10101, 13209, 15691, 18389, 19383, 24531, 25347, 34151, 44659, 47073, 55167, 57239, 102453, 109837, 133977, 171717, 239057, 312613, 329511, 580567, 717171, 937839, 1741701, 4063969, 12191907]

約数ペア:

[(1, 12191907), (3, 4063969), (7, 1741701), (13, 937839), (17, 717171), (21, 580567), (37, 329511), (39, 312613), (51, 239057), (71, 171717), (91, 133977), (111, 109837), (119, 102453), (213, 57239), (221, 55167), (259, 47073), (273, 44659), (357, 34151), (481, 25347), (497, 24531), (629, 19383), (663, 18389), (777, 15691), (923, 13209), (1207, 10101), (1443, 8449), (1491, 8177), (1547, 7881), (1887, 6461), (2627, 4641), (2769, 4403), (3367, 3621)]