51218139

素因数分解:

$3^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{3701}}^1$

素因数の和:4370

約数の個数: 16

約数和(自身を含む): 78186240

約数和(自身を除く): 26968101

約数列:

[1, 3, 7, 21, 659, 1977, 3701, 4613, 11103, 13839, 25907, 77721, 2438959, 7316877, 17072713, 51218139]

約数ペア:

[(1, 51218139), (3, 17072713), (7, 7316877), (21, 2438959), (659, 77721), (1977, 25907), (3701, 13839), (4613, 11103)]