81771781

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{14731}}^1$

素因数の和:14812

約数の個数: 16

約数和(自身を含む): 102299008

約数和(自身を除く): 20527227

約数列:

[1, 7, 13, 61, 91, 427, 793, 5551, 14731, 103117, 191503, 898591, 1340521, 6290137, 11681683, 81771781]

約数ペア:

[(1, 81771781), (7, 11681683), (13, 6290137), (61, 1340521), (91, 898591), (427, 191503), (793, 103117), (5551, 14731)]