20161819971

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{15887959}}^1$

素因数の和:15888015

約数の個数: 16

約数和(自身を含む): 30504883200

約数和(自身を除く): 10343063229

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 15887959, 47663877, 142991631, 428974893, 746734073, 2240202219, 6720606657, 20161819971]

約数ペア:

[(1, 20161819971), (3, 6720606657), (9, 2240202219), (27, 746734073), (47, 428974893), (141, 142991631), (423, 47663877), (1269, 15887959)]