4089687

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:707

約数の個数: 24

約数和(自身を含む): 6500736

約数和(自身を除く): 2411049

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 647, 903, 1941, 2107, 4529, 6321, 13587, 27821, 31703, 83463, 95109, 194747, 584241, 1363229, 4089687]

約数ペア:

[(1, 4089687), (3, 1363229), (7, 584241), (21, 194747), (43, 95109), (49, 83463), (129, 31703), (147, 27821), (301, 13587), (647, 6321), (903, 4529), (1941, 2107)]