81504339

素因数分解:

$3^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{8419}}^1$

素因数の和:8890

約数の個数: 16

約数和(自身を含む): 124481280

約数和(自身を除く): 42976941

約数列:

[1, 3, 7, 21, 461, 1383, 3227, 8419, 9681, 25257, 58933, 176799, 3881159, 11643477, 27168113, 81504339]

約数ペア:

[(1, 81504339), (3, 27168113), (7, 11643477), (21, 3881159), (461, 176799), (1383, 58933), (3227, 25257), (8419, 9681)]