2603943

素因数分解:

$3^2\times {\mathrm{53}}^2\times {\mathrm{103}}^1$

素因数の和:215

約数の個数: 18

約数和(自身を含む): 3870776

約数和(自身を除く): 1266833

約数列:

[1, 3, 9, 53, 103, 159, 309, 477, 927, 2809, 5459, 8427, 16377, 25281, 49131, 289327, 867981, 2603943]

約数ペア:

[(1, 2603943), (3, 867981), (9, 289327), (53, 49131), (103, 25281), (159, 16377), (309, 8427), (477, 5459), (927, 2809)]