1890621

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{1373}}^1$

素因数の和:1402

約数の個数: 20

約数和(自身を含む): 2992572

約数和(自身を除く): 1101951

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1373, 1377, 4119, 12357, 23341, 37071, 70023, 111213, 210069, 630207, 1890621]

約数ペア:

[(1, 1890621), (3, 630207), (9, 210069), (17, 111213), (27, 70023), (51, 37071), (81, 23341), (153, 12357), (459, 4119), (1373, 1377)]