19921977

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{43403}}^1$

素因数の和:43429

約数の個数: 16

約数和(自身を含む): 31250880

約数和(自身を除く): 11328903

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 43403, 130209, 390627, 737851, 1171881, 2213553, 6640659, 19921977]

約数ペア:

[(1, 19921977), (3, 6640659), (9, 2213553), (17, 1171881), (27, 737851), (51, 390627), (153, 130209), (459, 43403)]