30949779

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{21997}}^1$

素因数の和:22074

約数の個数: 16

約数和(自身を含む): 47867648

約数和(自身を除く): 16917869

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 21997, 65991, 153979, 461937, 1473799, 4421397, 10316593, 30949779]

約数ペア:

[(1, 30949779), (3, 10316593), (7, 4421397), (21, 1473799), (67, 461937), (201, 153979), (469, 65991), (1407, 21997)]