81193539

素因数分解:

$3^1\times 7^2\times {\mathrm{643}}^1\times {\mathrm{859}}^1$

素因数の和:1519

約数の個数: 24

約数和(自身を含む): 126275520

約数和(自身を除く): 45081981

約数列:

[1, 3, 7, 21, 49, 147, 643, 859, 1929, 2577, 4501, 6013, 13503, 18039, 31507, 42091, 94521, 126273, 552337, 1657011, 3866359, 11599077, 27064513, 81193539]

約数ペア:

[(1, 81193539), (3, 27064513), (7, 11599077), (21, 3866359), (49, 1657011), (147, 552337), (643, 126273), (859, 94521), (1929, 42091), (2577, 31507), (4501, 18039), (6013, 13503)]