13551381

素因数分解:

$3^6\times {\mathrm{29}}^1\times {\mathrm{641}}^1$

素因数の和:688

約数の個数: 28

約数和(自身を含む): 21051180

約数和(自身を除く): 7499799

約数列:

[1, 3, 9, 27, 29, 81, 87, 243, 261, 641, 729, 783, 1923, 2349, 5769, 7047, 17307, 18589, 21141, 51921, 55767, 155763, 167301, 467289, 501903, 1505709, 4517127, 13551381]

約数ペア:

[(1, 13551381), (3, 4517127), (9, 1505709), (27, 501903), (29, 467289), (81, 167301), (87, 155763), (243, 55767), (261, 51921), (641, 21141), (729, 18589), (783, 17307), (1923, 7047), (2349, 5769)]