1999761777

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{1899109}}^1$

素因数の和:1899134

約数の個数: 20

約数和(自身を含む): 3217092340

約数和(自身を除く): 1217330563

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 1899109, 5697327, 17091981, 24688417, 51275943, 74065251, 153827829, 222195753, 666587259, 1999761777]

約数ペア:

[(1, 1999761777), (3, 666587259), (9, 222195753), (13, 153827829), (27, 74065251), (39, 51275943), (81, 24688417), (117, 17091981), (351, 5697327), (1053, 1899109)]