210895197

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{3917}}^1$

素因数の和:4188

約数の個数: 16

約数和(自身を含む): 285481152

約数和(自身を除く): 74585955

約数列:

[1, 3, 131, 137, 393, 411, 3917, 11751, 17947, 53841, 513127, 536629, 1539381, 1609887, 70298399, 210895197]

約数ペア:

[(1, 210895197), (3, 70298399), (131, 1609887), (137, 1539381), (393, 536629), (411, 513127), (3917, 53841), (11751, 17947)]