201515489

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{178807}}^1$

素因数の和:178844

約数の個数: 12

約数和(自身を含む): 244609344

約数和(自身を除く): 43093855

約数列:

[1, 7, 23, 49, 161, 1127, 178807, 1251649, 4112561, 8761543, 28787927, 201515489]

約数ペア:

[(1, 201515489), (7, 28787927), (23, 8761543), (49, 4112561), (161, 1251649), (1127, 178807)]