2165319

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:252

約数の個数: 32

約数和(自身を含む): 3584000

約数和(自身を除く): 1418681

約数列:

[1, 3, 9, 13, 27, 31, 39, 93, 117, 199, 279, 351, 403, 597, 837, 1209, 1791, 2587, 3627, 5373, 6169, 7761, 10881, 18507, 23283, 55521, 69849, 80197, 166563, 240591, 721773, 2165319]

約数ペア:

[(1, 2165319), (3, 721773), (9, 240591), (13, 166563), (27, 80197), (31, 69849), (39, 55521), (93, 23283), (117, 18507), (199, 10881), (279, 7761), (351, 6169), (403, 5373), (597, 3627), (837, 2587), (1209, 1791)]