1889991657

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{642199}}^1$

素因数の和:642317

約数の個数: 16

約数和(自身を含む): 2825680000

約数和(自身を除く): 935688343

約数列:

[1, 3, 9, 27, 109, 327, 981, 2943, 642199, 1926597, 5779791, 17339373, 69999691, 209999073, 629997219, 1889991657]

約数ペア:

[(1, 1889991657), (3, 629997219), (9, 209999073), (27, 69999691), (109, 17339373), (327, 5779791), (981, 1926597), (2943, 642199)]