3971079

素因数分解:

$3^3\times 7^1\times {\mathrm{21011}}^1$

素因数の和:21027

約数の個数: 16

約数和(自身を含む): 6723840

約数和(自身を除く): 2752761

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 21011, 63033, 147077, 189099, 441231, 567297, 1323693, 3971079]

約数ペア:

[(1, 3971079), (3, 1323693), (7, 567297), (9, 441231), (21, 189099), (27, 147077), (63, 63033), (189, 21011)]