28769265

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{91331}}^1$

素因数の和:91349

約数の個数: 24

約数和(自身を含む): 56991168

約数和(自身を除く): 28221903

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 91331, 273993, 456655, 639317, 821979, 1369965, 1917951, 3196585, 4109895, 5753853, 9589755, 28769265]

約数ペア:

[(1, 28769265), (3, 9589755), (5, 5753853), (7, 4109895), (9, 3196585), (15, 1917951), (21, 1369965), (35, 821979), (45, 639317), (63, 456655), (105, 273993), (315, 91331)]