217427745

素因数分解:

$3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{135469}}^1$

素因数の和:135584

約数の個数: 16

約数和(自身を含む): 351138240

約数和(自身を除く): 133710495

約数列:

[1, 3, 5, 15, 107, 321, 535, 1605, 135469, 406407, 677345, 2032035, 14495183, 43485549, 72475915, 217427745]

約数ペア:

[(1, 217427745), (3, 72475915), (5, 43485549), (15, 14495183), (107, 2032035), (321, 677345), (535, 406407), (1605, 135469)]