51285285

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:319

約数の個数: 64

約数和(自身を含む): 96768000

約数和(自身を除く): 45482715

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 83, 115, 135, 199, 207, 249, 345, 415, 597, 621, 747, 995, 1035, 1245, 1791, 1909, 2241, 2985, 3105, 3735, 4577, 5373, 5727, 8955, 9545, 11205, 13731, 16517, 17181, 22885, 26865, 28635, 41193, 49551, 51543, 68655, 82585, 85905, 123579, 148653, 205965, 247755, 257715, 379891, 445959, 617895, 743265, 1139673, 1899455, 2229795, 3419019, 5698365, 10257057, 17095095, 51285285]

約数ペア:

[(1, 51285285), (3, 17095095), (5, 10257057), (9, 5698365), (15, 3419019), (23, 2229795), (27, 1899455), (45, 1139673), (69, 743265), (83, 617895), (115, 445959), (135, 379891), (199, 257715), (207, 247755), (249, 205965), (345, 148653), (415, 123579), (597, 85905), (621, 82585), (747, 68655), (995, 51543), (1035, 49551), (1245, 41193), (1791, 28635), (1909, 26865), (2241, 22885), (2985, 17181), (3105, 16517), (3735, 13731), (4577, 11205), (5373, 9545), (5727, 8955)]