81660231

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1913}}^1$

素因数の和:1973

約数の個数: 40

約数和(自身を含む): 133398144

約数和(自身を除く): 51737913

約数列:

[1, 3, 9, 17, 27, 31, 51, 81, 93, 153, 279, 459, 527, 837, 1377, 1581, 1913, 2511, 4743, 5739, 14229, 17217, 32521, 42687, 51651, 59303, 97563, 154953, 177909, 292689, 533727, 878067, 1008151, 1601181, 2634201, 3024453, 4803543, 9073359, 27220077, 81660231]

約数ペア:

[(1, 81660231), (3, 27220077), (9, 9073359), (17, 4803543), (27, 3024453), (31, 2634201), (51, 1601181), (81, 1008151), (93, 878067), (153, 533727), (279, 292689), (459, 177909), (527, 154953), (837, 97563), (1377, 59303), (1581, 51651), (1913, 42687), (2511, 32521), (4743, 17217), (5739, 14229)]