1390263

素因数分解:

$3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{277}}^1$

素因数の和:526

約数の個数: 16

約数和(自身を含む): 2135040

約数和(自身を除く): 744777

約数列:

[1, 3, 7, 21, 239, 277, 717, 831, 1673, 1939, 5019, 5817, 66203, 198609, 463421, 1390263]

約数ペア:

[(1, 1390263), (3, 463421), (7, 198609), (21, 66203), (239, 5817), (277, 5019), (717, 1939), (831, 1673)]