12557.0000000

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 8648640

約数和(自身を除く): 3967875

約数列:

[1, 3, 5, 9, 15, 41, 43, 45, 59, 123, 129, 177, 205, 215, 295, 369, 387, 531, 615, 645, 885, 1763, 1845, 1935, 2419, 2537, 2655, 5289, 7257, 7611, 8815, 12095, 12685, 15867, 21771, 22833, 26445, 36285, 38055, 79335, 104017, 108855, 114165, 312051, 520085, 936153, 1560255, 4680765]

約数ペア:

[(1, 4680765), (3, 1560255), (5, 936153), (9, 520085), (15, 312051), (41, 114165), (43, 108855), (45, 104017), (59, 79335), (123, 38055), (129, 36285), (177, 26445), (205, 22833), (215, 21771), (295, 15867), (369, 12685), (387, 12095), (531, 8815), (615, 7611), (645, 7257), (885, 5289), (1763, 2655), (1845, 2537), (1935, 2419)]