1288581

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1427}}^1$

素因数の和:1480

約数の個数: 16

約数和(自身を含む): 2010624

約数和(自身を除く): 722043

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 1427, 4281, 9989, 29967, 61361, 184083, 429527, 1288581]

約数ペア:

[(1, 1288581), (3, 429527), (7, 184083), (21, 61361), (43, 29967), (129, 9989), (301, 4281), (903, 1427)]