20131663131

素因数分解:

$3^4\times {\mathrm{3163}}^1\times {\mathrm{78577}}^1$

素因数の和:81752

約数の個数: 20

約数和(自身を含む): 30083115832

約数和(自身を除く): 9951452701

約数列:

[1, 3, 9, 27, 81, 3163, 9489, 28467, 78577, 85401, 235731, 256203, 707193, 2121579, 6364737, 248539051, 745617153, 2236851459, 6710554377, 20131663131]

約数ペア:

[(1, 20131663131), (3, 6710554377), (9, 2236851459), (27, 745617153), (81, 248539051), (3163, 6364737), (9489, 2121579), (28467, 707193), (78577, 256203), (85401, 235731)]