28083609

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{1061}}^1$

素因数の和:1257

約数の個数: 24

約数和(自身を含む): 43240392

約数和(自身を除く): 15156783

約数列:

[1, 3, 9, 17, 51, 153, 173, 519, 1061, 1557, 2941, 3183, 8823, 9549, 18037, 26469, 54111, 162333, 183553, 550659, 1651977, 3120401, 9361203, 28083609]

約数ペア:

[(1, 28083609), (3, 9361203), (9, 3120401), (17, 1651977), (51, 550659), (153, 183553), (173, 162333), (519, 54111), (1061, 26469), (1557, 18037), (2941, 9549), (3183, 8823)]