205674009

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{17317}}^1$

素因数の和:17464

約数の個数: 16

約数和(自身を含む): 284292288

約数和(自身を除く): 78618279

約数列:

[1, 3, 37, 107, 111, 321, 3959, 11877, 17317, 51951, 640729, 1852919, 1922187, 5558757, 68558003, 205674009]

約数ペア:

[(1, 205674009), (3, 68558003), (37, 5558757), (107, 1922187), (111, 1852919), (321, 640729), (3959, 51951), (11877, 17317)]