12780781

素因数分解:

${\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:372

約数の個数: 16

約数和(自身を含む): 14249088

約数和(自身を除く): 1468307

約数列:

[1, 13, 61, 71, 227, 793, 923, 2951, 4331, 13847, 16117, 56303, 180011, 209521, 983137, 12780781]

約数ペア:

[(1, 12780781), (13, 983137), (61, 209521), (71, 180011), (227, 56303), (793, 16117), (923, 13847), (2951, 4331)]