28432989

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{3329}}^1$

素因数の和:3421

約数の個数: 24

約数和(自身を含む): 44848440

約数和(自身を除く): 16415451

約数列:

[1, 3, 9, 13, 39, 73, 117, 219, 657, 949, 2847, 3329, 8541, 9987, 29961, 43277, 129831, 243017, 389493, 729051, 2187153, 3159221, 9477663, 28432989]

約数ペア:

[(1, 28432989), (3, 9477663), (9, 3159221), (13, 2187153), (39, 729051), (73, 389493), (117, 243017), (219, 129831), (657, 43277), (949, 29961), (2847, 9987), (3329, 8541)]