81017019

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 128786112

約数和(自身を除く): 47769093

約数列:

[1, 3, 9, 17, 51, 53, 97, 103, 153, 159, 291, 309, 477, 873, 901, 927, 1649, 1751, 2703, 4947, 5141, 5253, 5459, 8109, 9991, 14841, 15423, 15759, 16377, 29973, 46269, 49131, 87397, 89919, 92803, 169847, 262191, 278409, 509541, 529523, 786573, 835227, 1528623, 1588569, 4765707, 9001891, 27005673, 81017019]

約数ペア:

[(1, 81017019), (3, 27005673), (9, 9001891), (17, 4765707), (51, 1588569), (53, 1528623), (97, 835227), (103, 786573), (153, 529523), (159, 509541), (291, 278409), (309, 262191), (477, 169847), (873, 92803), (901, 89919), (927, 87397), (1649, 49131), (1751, 46269), (2703, 29973), (4947, 16377), (5141, 15759), (5253, 15423), (5459, 14841), (8109, 9991)]