287740321

素因数分解:

${\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1\times {\mathrm{857}}^1$

素因数の和:1232

約数の個数: 16

約数和(自身を含む): 318022848

約数和(自身を除く): 30282527

約数列:

[1, 11, 131, 233, 857, 1441, 2563, 9427, 30523, 112267, 199681, 335753, 1234937, 2196491, 26158211, 287740321]

約数ペア:

[(1, 287740321), (11, 26158211), (131, 2196491), (233, 1234937), (857, 335753), (1441, 199681), (2563, 112267), (9427, 30523)]