156920211

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{18181}}^1$

素因数の和:18331

約数の個数: 24

約数和(自身を含む): 260948064

約数和(自身を除く): 104027853

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 959, 1233, 2877, 8631, 18181, 54543, 127267, 163629, 381801, 1145403, 2490797, 7472391, 17435579, 22417173, 52306737, 156920211]

約数ペア:

[(1, 156920211), (3, 52306737), (7, 22417173), (9, 17435579), (21, 7472391), (63, 2490797), (137, 1145403), (411, 381801), (959, 163629), (1233, 127267), (2877, 54543), (8631, 18181)]