201421857

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{737809}}^1$

素因数の和:737832

約数の個数: 16

約数和(自身を含む): 330538880

約数和(自身を除く): 129117023

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 737809, 2213427, 5164663, 9591517, 15493989, 28774551, 67140619, 201421857]

約数ペア:

[(1, 201421857), (3, 67140619), (7, 28774551), (13, 15493989), (21, 9591517), (39, 5164663), (91, 2213427), (273, 737809)]