291233007

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131009}}^1$

素因数の和:131047

約数の個数: 24

約数和(自身を含む): 476876400

約数和(自身を除く): 185643393

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 131009, 393027, 1179081, 1703117, 2489171, 5109351, 7467513, 15328053, 22402539, 32359223, 97077669, 291233007]

約数ペア:

[(1, 291233007), (3, 97077669), (9, 32359223), (13, 22402539), (19, 15328053), (39, 7467513), (57, 5109351), (117, 2489171), (171, 1703117), (247, 1179081), (741, 393027), (2223, 131009)]