1289778861

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1498001}}^1$

素因数の和:1498052

約数の個数: 16

約数和(自身を含む): 2013314688

約数和(自身を除く): 723535827

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 1498001, 4494003, 10486007, 31458021, 61418041, 184254123, 429926287, 1289778861]

約数ペア:

[(1, 1289778861), (3, 429926287), (7, 184254123), (21, 61418041), (41, 31458021), (123, 10486007), (287, 4494003), (861, 1498001)]