31219839

素因数分解:

$3^2\times 7^1\times {\mathrm{277}}^1\times {\mathrm{1789}}^1$

素因数の和:2079

約数の個数: 24

約数和(自身を含む): 51752480

約数和(自身を除く): 20532641

約数列:

[1, 3, 7, 9, 21, 63, 277, 831, 1789, 1939, 2493, 5367, 5817, 12523, 16101, 17451, 37569, 112707, 495553, 1486659, 3468871, 4459977, 10406613, 31219839]

約数ペア:

[(1, 31219839), (3, 10406613), (7, 4459977), (9, 3468871), (21, 1486659), (63, 495553), (277, 112707), (831, 37569), (1789, 17451), (1939, 16101), (2493, 12523), (5367, 5817)]