81815547

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{1811}}^1$

素因数の和:1899

約数の個数: 24

約数和(自身を含む): 122375232

約数和(自身を除く): 40559685

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 1369, 1811, 4107, 5433, 15059, 19921, 45177, 59763, 67007, 201021, 737077, 2211231, 2479259, 7437777, 27271849, 81815547]

約数ペア:

[(1, 81815547), (3, 27271849), (11, 7437777), (33, 2479259), (37, 2211231), (111, 737077), (407, 201021), (1221, 67007), (1369, 59763), (1811, 45177), (4107, 19921), (5433, 15059)]