12540123

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{4261}}^1$

素因数の和:4379

約数の個数: 16

約数和(自身を含む): 18752800

約数和(自身を除く): 6212677

約数列:

[1, 3, 9, 27, 109, 327, 981, 2943, 4261, 12783, 38349, 115047, 464449, 1393347, 4180041, 12540123]

約数ペア:

[(1, 12540123), (3, 4180041), (9, 1393347), (27, 464449), (109, 115047), (327, 38349), (981, 12783), (2943, 4261)]