15555981

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 26002944

約数和(自身を除く): 10446963

約数列:

[1, 3, 7, 21, 23, 43, 49, 69, 107, 129, 147, 161, 301, 321, 483, 749, 903, 989, 1127, 2107, 2247, 2461, 2967, 3381, 4601, 5243, 6321, 6923, 7383, 13803, 15729, 17227, 20769, 32207, 48461, 51681, 96621, 105823, 120589, 145383, 225449, 317469, 361767, 676347, 740761, 2222283, 5185327, 15555981]

約数ペア:

[(1, 15555981), (3, 5185327), (7, 2222283), (21, 740761), (23, 676347), (43, 361767), (49, 317469), (69, 225449), (107, 145383), (129, 120589), (147, 105823), (161, 96621), (301, 51681), (321, 48461), (483, 32207), (749, 20769), (903, 17227), (989, 15729), (1127, 13803), (2107, 7383), (2247, 6923), (2461, 6321), (2967, 5243), (3381, 4601)]