30654321

素因数分解:

$3^1\times {\mathrm{71}}^2\times {\mathrm{2027}}^1$

素因数の和:2172

約数の個数: 12

約数和(自身を含む): 41476656

約数和(自身を除く): 10822335

約数列:

[1, 3, 71, 213, 2027, 5041, 6081, 15123, 143917, 431751, 10218107, 30654321]

約数ペア:

[(1, 30654321), (3, 10218107), (71, 431751), (213, 143917), (2027, 15123), (5041, 6081)]