81131001

素因数分解:

$3^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{5591}}^1$

素因数の和:6292

約数の個数: 16

約数和(自身を含む): 123829248

約数和(自身を除く): 42698247

約数列:

[1, 3, 7, 21, 691, 2073, 4837, 5591, 14511, 16773, 39137, 117411, 3863381, 11590143, 27043667, 81131001]

約数ペア:

[(1, 81131001), (3, 27043667), (7, 11590143), (21, 3863381), (691, 117411), (2073, 39137), (4837, 16773), (5591, 14511)]