217857537

素因数分解:

$3^2\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{1621}}^1$

素因数の和:1873

約数の個数: 24

約数和(自身を含む): 320085480

約数和(自身を除く): 102227943

約数列:

[1, 3, 9, 109, 137, 327, 411, 981, 1233, 1621, 4863, 14589, 14933, 44799, 134397, 176689, 222077, 530067, 666231, 1590201, 1998693, 24206393, 72619179, 217857537]

約数ペア:

[(1, 217857537), (3, 72619179), (9, 24206393), (109, 1998693), (137, 1590201), (327, 666231), (411, 530067), (981, 222077), (1233, 176689), (1621, 134397), (4863, 44799), (14589, 14933)]