2212221

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1559}}^1$

素因数の和:1616

約数の個数: 16

約数和(自身を含む): 3294720

約数和(自身を除く): 1082499

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 1559, 4677, 17149, 51447, 67037, 201111, 737407, 2212221]

約数ペア:

[(1, 2212221), (3, 737407), (11, 201111), (33, 67037), (43, 51447), (129, 17149), (473, 4677), (1419, 1559)]