691012017

素因数分解:

$3^2\times {\mathrm{3203}}^1\times {\mathrm{23971}}^1$

素因数の和:27180

約数の個数: 12

約数和(自身を含む): 998481744

約数和(自身を除く): 307469727

約数列:

[1, 3, 9, 3203, 9609, 23971, 28827, 71913, 215739, 76779113, 230337339, 691012017]

約数ペア:

[(1, 691012017), (3, 230337339), (9, 76779113), (3203, 215739), (9609, 71913), (23971, 28827)]