215417841

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{4001}}^1$

素因数の和:4272

約数の個数: 16

約数和(自身を含む): 291601728

約数和(自身を除く): 76183887

約数列:

[1, 3, 131, 137, 393, 411, 4001, 12003, 17947, 53841, 524131, 548137, 1572393, 1644411, 71805947, 215417841]

約数ペア:

[(1, 215417841), (3, 71805947), (131, 1644411), (137, 1572393), (393, 548137), (411, 524131), (4001, 53841), (12003, 17947)]