281503143

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{440537}}^1$

素因数の和:440614

約数の個数: 12

約数和(自身を含む): 412343568

約数和(自身を除く): 130840425

約数列:

[1, 3, 9, 71, 213, 639, 440537, 1321611, 3964833, 31278127, 93834381, 281503143]

約数ペア:

[(1, 281503143), (3, 93834381), (9, 31278127), (71, 3964833), (213, 1321611), (639, 440537)]