3969651

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9949}}^1$

素因数の和:9978

約数の個数: 16

約数和(自身を含む): 6368000

約数和(自身を除く): 2398349

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 9949, 29847, 69643, 189031, 208929, 567093, 1323217, 3969651]

約数ペア:

[(1, 3969651), (3, 1323217), (7, 567093), (19, 208929), (21, 189031), (57, 69643), (133, 29847), (399, 9949)]