2520903

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1559}}^1$

素因数の和:1587

約数の個数: 24

約数和(自身を含む): 4268160

約数和(自身を除く): 1747257

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1559, 1617, 4677, 10913, 17149, 32739, 51447, 76391, 120043, 229173, 360129, 840301, 2520903]

約数ペア:

[(1, 2520903), (3, 840301), (7, 360129), (11, 229173), (21, 120043), (33, 76391), (49, 51447), (77, 32739), (147, 17149), (231, 10913), (539, 4677), (1559, 1617)]