81369789

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{5209}}^1$

素因数の和:5380

約数の個数: 16

約数和(自身を含む): 112035840

約数和(自身を除く): 30666051

約数列:

[1, 3, 41, 123, 127, 381, 5207, 5209, 15621, 15627, 213569, 640707, 661543, 1984629, 27123263, 81369789]

約数ペア:

[(1, 81369789), (3, 27123263), (41, 1984629), (123, 661543), (127, 640707), (381, 213569), (5207, 15627), (5209, 15621)]