2019804549

素因数分解:

$3^1\times 7^3\times {\mathrm{1962881}}^1$

素因数の和:1962905

約数の個数: 16

約数和(自身を含む): 3140611200

約数和(自身を除く): 1120806651

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 1962881, 5888643, 13740167, 41220501, 96181169, 288543507, 673268183, 2019804549]

約数ペア:

[(1, 2019804549), (3, 673268183), (7, 288543507), (21, 96181169), (49, 41220501), (147, 13740167), (343, 5888643), (1029, 1962881)]