20130417

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{10501}}^1$

素因数の和:10581

約数の個数: 16

約数和(自身を含む): 30245760

約数和(自身を除く): 10115343

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 10501, 31503, 94509, 283527, 745571, 2236713, 6710139, 20130417]

約数ペア:

[(1, 20130417), (3, 6710139), (9, 2236713), (27, 745571), (71, 283527), (213, 94509), (639, 31503), (1917, 10501)]