206865375

素因数分解:

$3^1\times 5^3\times {\mathrm{131}}^1\times {\mathrm{4211}}^1$

素因数の和:4360

約数の個数: 32

約数和(自身を含む): 346934016

約数和(自身を除く): 140068641

約数列:

[1, 3, 5, 15, 25, 75, 125, 131, 375, 393, 655, 1965, 3275, 4211, 9825, 12633, 16375, 21055, 49125, 63165, 105275, 315825, 526375, 551641, 1579125, 1654923, 2758205, 8274615, 13791025, 41373075, 68955125, 206865375]

約数ペア:

[(1, 206865375), (3, 68955125), (5, 41373075), (15, 13791025), (25, 8274615), (75, 2758205), (125, 1654923), (131, 1579125), (375, 551641), (393, 526375), (655, 315825), (1965, 105275), (3275, 63165), (4211, 49125), (9825, 21055), (12633, 16375)]