205691829

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{3907}}^1$

素因数の和:4049

約数の個数: 32

約数和(自身を含む): 330147840

約数和(自身を除く): 124456011

約数列:

[1, 3, 7, 21, 23, 69, 109, 161, 327, 483, 763, 2289, 2507, 3907, 7521, 11721, 17549, 27349, 52647, 82047, 89861, 269583, 425863, 629027, 1277589, 1887081, 2981041, 8943123, 9794849, 29384547, 68563943, 205691829]

約数ペア:

[(1, 205691829), (3, 68563943), (7, 29384547), (21, 9794849), (23, 8943123), (69, 2981041), (109, 1887081), (161, 1277589), (327, 629027), (483, 425863), (763, 269583), (2289, 89861), (2507, 82047), (3907, 52647), (7521, 27349), (11721, 17549)]