207979173

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{569}}^1\times {\mathrm{2389}}^1$

素因数の和:2981

約数の個数: 24

約数和(自身を含む): 318778200

約数和(自身を除く): 110799027

約数列:

[1, 3, 9, 17, 51, 153, 569, 1707, 2389, 5121, 7167, 9673, 21501, 29019, 40613, 87057, 121839, 365517, 1359341, 4078023, 12234069, 23108797, 69326391, 207979173]

約数ペア:

[(1, 207979173), (3, 69326391), (9, 23108797), (17, 12234069), (51, 4078023), (153, 1359341), (569, 365517), (1707, 121839), (2389, 87057), (5121, 40613), (7167, 29019), (9673, 21501)]