1328157

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{863}}^1$

素因数の和:894

約数の個数: 20

約数和(自身を含む): 2090880

約数和(自身を除く): 762723

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 863, 1539, 2589, 7767, 16397, 23301, 49191, 69903, 147573, 442719, 1328157]

約数ペア:

[(1, 1328157), (3, 442719), (9, 147573), (19, 69903), (27, 49191), (57, 23301), (81, 16397), (171, 7767), (513, 2589), (863, 1539)]