2779721

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 24

約数和(自身を含む): 3545856

約数和(自身を除く): 766135

約数列:

[1, 7, 17, 47, 49, 71, 119, 329, 497, 799, 833, 1207, 2303, 3337, 3479, 5593, 8449, 23359, 39151, 56729, 59143, 163513, 397103, 2779721]

約数ペア:

[(1, 2779721), (7, 397103), (17, 163513), (47, 59143), (49, 56729), (71, 39151), (119, 23359), (329, 8449), (497, 5593), (799, 3479), (833, 3337), (1207, 2303)]