11781861

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{419}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 19568640

約数和(自身を除く): 7786779

約数列:

[1, 3, 7, 13, 21, 39, 91, 103, 273, 309, 419, 721, 1257, 1339, 2163, 2933, 4017, 5447, 8799, 9373, 16341, 28119, 38129, 43157, 114387, 129471, 302099, 561041, 906297, 1683123, 3927287, 11781861]

約数ペア:

[(1, 11781861), (3, 3927287), (7, 1683123), (13, 906297), (21, 561041), (39, 302099), (91, 129471), (103, 114387), (273, 43157), (309, 38129), (419, 28119), (721, 16341), (1257, 9373), (1339, 8799), (2163, 5447), (2933, 4017)]