865603947

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{1009}}^1\times {\mathrm{21997}}^1$

素因数の和:23022

約数の個数: 16

約数和(自身を含む): 1244206880

約数和(自身を除く): 378602933

約数列:

[1, 3, 13, 39, 1009, 3027, 13117, 21997, 39351, 65991, 285961, 857883, 22194973, 66584919, 288534649, 865603947]

約数ペア:

[(1, 865603947), (3, 288534649), (13, 66584919), (39, 22194973), (1009, 857883), (3027, 285961), (13117, 65991), (21997, 39351)]