42957729

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{661}}^1$

素因数の和:782

約数の個数: 32

約数和(自身を含む): 66729600

約数和(自身を除く): 23771871

約数列:

[1, 3, 9, 27, 29, 83, 87, 249, 261, 661, 747, 783, 1983, 2241, 2407, 5949, 7221, 17847, 19169, 21663, 54863, 57507, 64989, 164589, 172521, 493767, 517563, 1481301, 1591027, 4773081, 14319243, 42957729]

約数ペア:

[(1, 42957729), (3, 14319243), (9, 4773081), (27, 1591027), (29, 1481301), (83, 517563), (87, 493767), (249, 172521), (261, 164589), (661, 64989), (747, 57507), (783, 54863), (1983, 21663), (2241, 19169), (2407, 17847), (5949, 7221)]