1990770417

素因数分解:

$3^2\times {\mathrm{107}}^1\times {\mathrm{971}}^1\times {\mathrm{2129}}^1$

素因数の和:3213

約数の個数: 24

約数和(自身を含む): 2906785440

約数和(自身を除く): 916015023

約数列:

[1, 3, 9, 107, 321, 963, 971, 2129, 2913, 6387, 8739, 19161, 103897, 227803, 311691, 683409, 935073, 2050227, 2067259, 6201777, 18605331, 221196713, 663590139, 1990770417]

約数ペア:

[(1, 1990770417), (3, 663590139), (9, 221196713), (107, 18605331), (321, 6201777), (963, 2067259), (971, 2050227), (2129, 935073), (2913, 683409), (6387, 311691), (8739, 227803), (19161, 103897)]