208545231

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{719}}^1\times {\mathrm{887}}^1$

素因数の和:1718

約数の個数: 16

約数和(自身を含む): 281318400

約数和(自身を除く): 72773169

約数列:

[1, 3, 109, 327, 719, 887, 2157, 2661, 78371, 96683, 235113, 290049, 637753, 1913259, 69515077, 208545231]

約数ペア:

[(1, 208545231), (3, 69515077), (109, 1913259), (327, 637753), (719, 290049), (887, 235113), (2157, 96683), (2661, 78371)]