205254945

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{217201}}^1$

素因数の和:217222

約数の個数: 32

約数和(自身を含む): 417027840

約数和(自身を除く): 211772895

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 217201, 651603, 1086005, 1520407, 1954809, 3258015, 4561221, 5864427, 7602035, 9774045, 13683663, 22806105, 29322135, 41050989, 68418315, 205254945]

約数ペア:

[(1, 205254945), (3, 68418315), (5, 41050989), (7, 29322135), (9, 22806105), (15, 13683663), (21, 9774045), (27, 7602035), (35, 5864427), (45, 4561221), (63, 3258015), (105, 1954809), (135, 1520407), (189, 1086005), (315, 651603), (945, 217201)]