81151587

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{19993}}^1$

素因数の和:20051

約数の個数: 24

約数和(自身を含む): 131000688

約数和(自身を除く): 49849101

約数列:

[1, 3, 9, 11, 33, 41, 99, 123, 369, 451, 1353, 4059, 19993, 59979, 179937, 219923, 659769, 819713, 1979307, 2459139, 7377417, 9016843, 27050529, 81151587]

約数ペア:

[(1, 81151587), (3, 27050529), (9, 9016843), (11, 7377417), (33, 2459139), (41, 1979307), (99, 819713), (123, 659769), (369, 219923), (451, 179937), (1353, 59979), (4059, 19993)]