2051220873

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1223149}}^1$

素因数の和:1223208

約数の個数: 16

約数和(自身を含む): 3013841600

約数和(自身を除く): 962620727

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 1223149, 3669447, 15900937, 47702811, 52595407, 157786221, 683740291, 2051220873]

約数ペア:

[(1, 2051220873), (3, 683740291), (13, 157786221), (39, 52595407), (43, 47702811), (129, 15900937), (559, 3669447), (1677, 1223149)]