3921939

素因数分解:

$3^4\times 7^1\times {\mathrm{6917}}^1$

素因数の和:6936

約数の個数: 20

約数和(自身を含む): 6696624

約数和(自身を除く): 2774685

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 6917, 20751, 48419, 62253, 145257, 186759, 435771, 560277, 1307313, 3921939]

約数ペア:

[(1, 3921939), (3, 1307313), (7, 560277), (9, 435771), (21, 186759), (27, 145257), (63, 62253), (81, 48419), (189, 20751), (567, 6917)]