1245017571

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1\times {\mathrm{2131}}^1$

素因数の和:2831

約数の個数: 32

約数和(自身を含む): 1945202688

約数和(自身を除く): 700185117

約数列:

[1, 3, 7, 21, 43, 129, 301, 647, 903, 1941, 2131, 4529, 6393, 13587, 14917, 27821, 44751, 83463, 91633, 194747, 274899, 584241, 641431, 1378757, 1924293, 4136271, 9651299, 28953897, 59286551, 177859653, 415005857, 1245017571]

約数ペア:

[(1, 1245017571), (3, 415005857), (7, 177859653), (21, 59286551), (43, 28953897), (129, 9651299), (301, 4136271), (647, 1924293), (903, 1378757), (1941, 641431), (2131, 584241), (4529, 274899), (6393, 194747), (13587, 91633), (14917, 83463), (27821, 44751)]