12435987

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{647}}^1$

素因数の和:842

約数の個数: 16

約数和(自身を含む): 17107200

約数和(自身を除く): 4671213

約数列:

[1, 3, 43, 129, 149, 447, 647, 1941, 6407, 19221, 27821, 83463, 96403, 289209, 4145329, 12435987]

約数ペア:

[(1, 12435987), (3, 4145329), (43, 289209), (129, 96403), (149, 83463), (447, 27821), (647, 19221), (1941, 6407)]