221353743

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{298723}}^1$

素因数の和:298758

約数の個数: 16

約数和(自身を含む): 334570880

約数和(自身を除く): 113217137

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 298723, 896169, 3883399, 5675737, 11650197, 17027211, 73784581, 221353743]

約数ペア:

[(1, 221353743), (3, 73784581), (13, 17027211), (19, 11650197), (39, 5675737), (57, 3883399), (247, 896169), (741, 298723)]