81203759

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{919}}^1\times {\mathrm{971}}^1$

素因数の和:1910

約数の個数: 16

約数和(自身を含む): 100154880

約数和(自身を除く): 18951121

約数列:

[1, 7, 13, 91, 919, 971, 6433, 6797, 11947, 12623, 83629, 88361, 892349, 6246443, 11600537, 81203759]

約数ペア:

[(1, 81203759), (7, 11600537), (13, 6246443), (91, 892349), (919, 88361), (971, 83629), (6433, 12623), (6797, 11947)]