27198325

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 42854400

約数和(自身を除く): 15656075

約数列:

[1, 5, 7, 11, 25, 35, 55, 71, 77, 175, 199, 275, 355, 385, 497, 781, 995, 1393, 1775, 1925, 2189, 2485, 3905, 4975, 5467, 6965, 10945, 12425, 14129, 15323, 19525, 27335, 34825, 54725, 70645, 76615, 98903, 136675, 155419, 353225, 383075, 494515, 777095, 1087933, 2472575, 3885475, 5439665, 27198325]

約数ペア:

[(1, 27198325), (5, 5439665), (7, 3885475), (11, 2472575), (25, 1087933), (35, 777095), (55, 494515), (71, 383075), (77, 353225), (175, 155419), (199, 136675), (275, 98903), (355, 76615), (385, 70645), (497, 54725), (781, 34825), (995, 27335), (1393, 19525), (1775, 15323), (1925, 14129), (2189, 12425), (2485, 10945), (3905, 6965), (4975, 5467)]