81964779

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{4129}}^1$

素因数の和:4654

約数の個数: 16

約数和(自身を含む): 117952800

約数和(自身を除く): 35988021

約数列:

[1, 3, 13, 39, 509, 1527, 4129, 6617, 12387, 19851, 53677, 161031, 2101661, 6304983, 27321593, 81964779]

約数ペア:

[(1, 81964779), (3, 27321593), (13, 6304983), (39, 2101661), (509, 161031), (1527, 53677), (4129, 19851), (6617, 12387)]