208988891997

素因数分解:

$3^1\times {\mathrm{167}}^1\times {\mathrm{3121}}^1\times {\mathrm{133657}}^1$

素因数の和:136948

約数の個数: 16

約数和(自身を含む): 280412345472

約数和(自身を除く): 71423453475

約数列:

[1, 3, 167, 501, 3121, 9363, 133657, 400971, 521207, 1563621, 22320719, 66962157, 417143497, 1251430491, 69662963999, 208988891997]

約数ペア:

[(1, 208988891997), (3, 69662963999), (167, 1251430491), (501, 417143497), (3121, 66962157), (9363, 22320719), (133657, 1563621), (400971, 521207)]