1281402

素因数分解:

$2^1\times 3^2\times {\mathrm{257}}^1\times {\mathrm{277}}^1$

素因数の和:542

約数の個数: 24

約数和(自身を含む): 2797236

約数和(自身を除く): 1515834

約数列:

[1, 2, 3, 6, 9, 18, 257, 277, 514, 554, 771, 831, 1542, 1662, 2313, 2493, 4626, 4986, 71189, 142378, 213567, 427134, 640701, 1281402]

約数ペア:

[(1, 1281402), (2, 640701), (3, 427134), (6, 213567), (9, 142378), (18, 71189), (257, 4986), (277, 4626), (514, 2493), (554, 2313), (771, 1662), (831, 1542)]