12126555

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{281}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 24283584

約数和(自身を除く): 12157029

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 137, 281, 315, 411, 685, 843, 959, 1233, 1405, 1967, 2055, 2529, 2877, 4215, 4795, 5901, 6165, 8631, 9835, 12645, 14385, 17703, 29505, 38497, 43155, 88515, 115491, 192485, 269479, 346473, 577455, 808437, 1347395, 1732365, 2425311, 4042185, 12126555]

約数ペア:

[(1, 12126555), (3, 4042185), (5, 2425311), (7, 1732365), (9, 1347395), (15, 808437), (21, 577455), (35, 346473), (45, 269479), (63, 192485), (105, 115491), (137, 88515), (281, 43155), (315, 38497), (411, 29505), (685, 17703), (843, 14385), (959, 12645), (1233, 9835), (1405, 8631), (1967, 6165), (2055, 5901), (2529, 4795), (2877, 4215)]