213717825

素因数分解:

$3^3\times 5^2\times {\mathrm{479}}^1\times {\mathrm{661}}^1$

素因数の和:1159

約数の個数: 48

約数和(自身を含む): 394022400

約数和(自身を除く): 180304575

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 479, 661, 675, 1437, 1983, 2395, 3305, 4311, 5949, 7185, 9915, 11975, 12933, 16525, 17847, 21555, 29745, 35925, 49575, 64665, 89235, 107775, 148725, 316619, 323325, 446175, 949857, 1583095, 2849571, 4749285, 7915475, 8548713, 14247855, 23746425, 42743565, 71239275, 213717825]

約数ペア:

[(1, 213717825), (3, 71239275), (5, 42743565), (9, 23746425), (15, 14247855), (25, 8548713), (27, 7915475), (45, 4749285), (75, 2849571), (135, 1583095), (225, 949857), (479, 446175), (661, 323325), (675, 316619), (1437, 148725), (1983, 107775), (2395, 89235), (3305, 64665), (4311, 49575), (5949, 35925), (7185, 29745), (9915, 21555), (11975, 17847), (12933, 16525)]