81294143

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1\times {\mathrm{1117}}^1$

素因数の和:1442

約数の個数: 16

約数和(自身を含む): 95843904

約数和(自身を除く): 14549761

約数列:

[1, 7, 37, 259, 281, 1117, 1967, 7819, 10397, 41329, 72779, 289303, 313877, 2197139, 11613449, 81294143]

約数ペア:

[(1, 81294143), (7, 11613449), (37, 2197139), (259, 313877), (281, 289303), (1117, 72779), (1967, 41329), (7819, 10397)]