215319909

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{16301}}^1$

素因数の和:16365

約数の個数: 32

約数和(自身を含む): 356818176

約数和(自身を除く): 141498267

約数列:

[1, 3, 7, 17, 21, 37, 51, 111, 119, 259, 357, 629, 777, 1887, 4403, 13209, 16301, 48903, 114107, 277117, 342321, 603137, 831351, 1809411, 1939819, 4221959, 5819457, 10253329, 12665877, 30759987, 71773303, 215319909]

約数ペア:

[(1, 215319909), (3, 71773303), (7, 30759987), (17, 12665877), (21, 10253329), (37, 5819457), (51, 4221959), (111, 1939819), (119, 1809411), (259, 831351), (357, 603137), (629, 342321), (777, 277117), (1887, 114107), (4403, 48903), (13209, 16301)]