15645879

素因数分解:

$3^4\times {\mathrm{419}}^1\times {\mathrm{461}}^1$

素因数の和:892

約数の個数: 20

約数和(自身を含む): 23478840

約数和(自身を除く): 7832961

約数列:

[1, 3, 9, 27, 81, 419, 461, 1257, 1383, 3771, 4149, 11313, 12447, 33939, 37341, 193159, 579477, 1738431, 5215293, 15645879]

約数ペア:

[(1, 15645879), (3, 5215293), (9, 1738431), (27, 579477), (81, 193159), (419, 37341), (461, 33939), (1257, 12447), (1383, 11313), (3771, 4149)]