201616669737

素因数分解:

$3^2\times 7^2\times {\mathrm{457180657}}^1$

素因数の和:457180677

約数の個数: 18

約数和(自身を含む): 338770867578

約数和(自身を除く): 137154197841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 457180657, 1371541971, 3200264599, 4114625913, 9600793797, 22401852193, 28802381391, 67205556579, 201616669737]

約数ペア:

[(1, 201616669737), (3, 67205556579), (7, 28802381391), (9, 22401852193), (21, 9600793797), (49, 4114625913), (63, 3200264599), (147, 1371541971), (441, 457180657)]