205221129

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{283}}^1$

素因数の和:509

約数の個数: 32

約数和(自身を含む): 290088960

約数和(自身を除く): 84867831

約数列:

[1, 3, 37, 47, 111, 139, 141, 283, 417, 849, 1739, 5143, 5217, 6533, 10471, 13301, 15429, 19599, 31413, 39337, 39903, 118011, 241721, 492137, 725163, 1455469, 1476411, 1848839, 4366407, 5546517, 68407043, 205221129]

約数ペア:

[(1, 205221129), (3, 68407043), (37, 5546517), (47, 4366407), (111, 1848839), (139, 1476411), (141, 1455469), (283, 725163), (417, 492137), (849, 241721), (1739, 118011), (5143, 39903), (5217, 39337), (6533, 31413), (10471, 19599), (13301, 15429)]