81764487

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{5011}}^1$

素因数の和:5068

約数の個数: 36

約数和(自身を含む): 141127896

約数和(自身を除く): 59363409

約数列:

[1, 3, 7, 9, 21, 37, 49, 63, 111, 147, 259, 333, 441, 777, 1813, 2331, 5011, 5439, 15033, 16317, 35077, 45099, 105231, 185407, 245539, 315693, 556221, 736617, 1297849, 1668663, 2209851, 3893547, 9084943, 11680641, 27254829, 81764487]

約数ペア:

[(1, 81764487), (3, 27254829), (7, 11680641), (9, 9084943), (21, 3893547), (37, 2209851), (49, 1668663), (63, 1297849), (111, 736617), (147, 556221), (259, 315693), (333, 245539), (441, 185407), (777, 105231), (1813, 45099), (2331, 35077), (5011, 16317), (5439, 15033)]