27688725

素因数分解:

$3^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{1129}}^1$

素因数の和:1254

約数の個数: 36

約数和(自身を含む): 50092900

約数和(自身を除く): 22404175

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 109, 225, 327, 545, 981, 1129, 1635, 2725, 3387, 4905, 5645, 8175, 10161, 16935, 24525, 28225, 50805, 84675, 123061, 254025, 369183, 615305, 1107549, 1845915, 3076525, 5537745, 9229575, 27688725]

約数ペア:

[(1, 27688725), (3, 9229575), (5, 5537745), (9, 3076525), (15, 1845915), (25, 1107549), (45, 615305), (75, 369183), (109, 254025), (225, 123061), (327, 84675), (545, 50805), (981, 28225), (1129, 24525), (1635, 16935), (2725, 10161), (3387, 8175), (4905, 5645)]