209201421

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{487649}}^1$

素因数の和:487676

約数の個数: 16

約数和(自身を含む): 327700800

約数和(自身を除く): 118499379

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 487649, 1462947, 5364139, 6339437, 16092417, 19018311, 69733807, 209201421]

約数ペア:

[(1, 209201421), (3, 69733807), (11, 19018311), (13, 16092417), (33, 6339437), (39, 5364139), (143, 1462947), (429, 487649)]