87741639

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{513109}}^1$

素因数の和:513134

約数の個数: 12

約数和(自身を含む): 133408600

約数和(自身を除く): 45666961

約数列:

[1, 3, 9, 19, 57, 171, 513109, 1539327, 4617981, 9749071, 29247213, 87741639]

約数ペア:

[(1, 87741639), (3, 29247213), (9, 9749071), (19, 4617981), (57, 1539327), (171, 513109)]