199381041

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{388657}}^1$

素因数の和:388685

約数の個数: 16

約数和(自身を含む): 310926400

約数和(自身を除く): 111545359

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 388657, 1165971, 3497913, 7384483, 10493739, 22153449, 66460347, 199381041]

約数ペア:

[(1, 199381041), (3, 66460347), (9, 22153449), (19, 10493739), (27, 7384483), (57, 3497913), (171, 1165971), (513, 388657)]