1394253

素因数分解:

$3^4\times 7^1\times {\mathrm{2459}}^1$

素因数の和:2478

約数の個数: 20

約数和(自身を含む): 2381280

約数和(自身を除く): 987027

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 2459, 7377, 17213, 22131, 51639, 66393, 154917, 199179, 464751, 1394253]

約数ペア:

[(1, 1394253), (3, 464751), (7, 199179), (9, 154917), (21, 66393), (27, 51639), (63, 22131), (81, 17213), (189, 7377), (567, 2459)]