1217772009

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{1218991}}^1$

素因数の和:1219037

約数の個数: 16

約数和(自身を含む): 1852867840

約数和(自身を除く): 635095831

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 1218991, 3656973, 10970919, 32912757, 45102667, 135308001, 405924003, 1217772009]

約数ペア:

[(1, 1217772009), (3, 405924003), (9, 135308001), (27, 45102667), (37, 32912757), (111, 10970919), (333, 3656973), (999, 1218991)]