7947849

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4159}}^1$

素因数の和:4189

約数の個数: 24

約数和(自身を含む): 13278720

約数和(自身を除く): 5330871

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 4159, 12477, 29113, 54067, 87339, 162201, 203791, 378469, 611373, 1135407, 2649283, 7947849]

約数ペア:

[(1, 7947849), (3, 2649283), (7, 1135407), (13, 611373), (21, 378469), (39, 203791), (49, 162201), (91, 87339), (147, 54067), (273, 29113), (637, 12477), (1911, 4159)]