211000755

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{337}}^1$

素因数の和:508

約数の個数: 64

約数和(自身を含む): 397163520

約数和(自身を除く): 186162765

約数列:

[1, 3, 5, 7, 15, 21, 35, 67, 89, 105, 201, 267, 335, 337, 445, 469, 623, 1005, 1011, 1335, 1407, 1685, 1869, 2345, 2359, 3115, 5055, 5963, 7035, 7077, 9345, 11795, 17889, 22579, 29815, 29993, 35385, 41741, 67737, 89445, 89979, 112895, 125223, 149965, 158053, 208705, 209951, 338685, 449895, 474159, 626115, 629853, 790265, 1049755, 2009531, 2370795, 3149265, 6028593, 10047655, 14066717, 30142965, 42200151, 70333585, 211000755]

約数ペア:

[(1, 211000755), (3, 70333585), (5, 42200151), (7, 30142965), (15, 14066717), (21, 10047655), (35, 6028593), (67, 3149265), (89, 2370795), (105, 2009531), (201, 1049755), (267, 790265), (335, 629853), (337, 626115), (445, 474159), (469, 449895), (623, 338685), (1005, 209951), (1011, 208705), (1335, 158053), (1407, 149965), (1685, 125223), (1869, 112895), (2345, 89979), (2359, 89445), (3115, 67737), (5055, 41741), (5963, 35385), (7035, 29993), (7077, 29815), (9345, 22579), (11795, 17889)]