243687123

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{42373}}^1$

素因数の和:42456

約数の個数: 20

約数和(自身を含む): 369162288

約数和(自身を除く): 125475165

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 42373, 127119, 381357, 1144071, 3008483, 3432213, 9025449, 27076347, 81229041, 243687123]

約数ペア:

[(1, 243687123), (3, 81229041), (9, 27076347), (27, 9025449), (71, 3432213), (81, 3008483), (213, 1144071), (639, 381357), (1917, 127119), (5751, 42373)]