209216565

素因数分解:

$3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{43451}}^1$

素因数の和:43569

約数の個数: 24

約数和(自身を含む): 366039648

約数和(自身を除く): 156823083

約数列:

[1, 3, 5, 9, 15, 45, 107, 321, 535, 963, 1605, 4815, 43451, 130353, 217255, 391059, 651765, 1955295, 4649257, 13947771, 23246285, 41843313, 69738855, 209216565]

約数ペア:

[(1, 209216565), (3, 69738855), (5, 41843313), (9, 23246285), (15, 13947771), (45, 4649257), (107, 1955295), (321, 651765), (535, 391059), (963, 217255), (1605, 130353), (4815, 43451)]