21087027

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{60077}}^1$

素因数の和:60099

約数の個数: 16

約数和(自身を含む): 33643680

約数和(自身を除く): 12556653

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 60077, 180231, 540693, 781001, 1622079, 2343003, 7029009, 21087027]

約数ペア:

[(1, 21087027), (3, 7029009), (9, 2343003), (13, 1622079), (27, 781001), (39, 540693), (117, 180231), (351, 60077)]