87251661

素因数分解:

$3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4159}}^1$

素因数の和:4215

約数の個数: 40

約数和(自身を含む): 153021440

約数和(自身を除く): 65769779

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 81, 111, 189, 259, 333, 567, 777, 999, 2331, 2997, 4159, 6993, 12477, 20979, 29113, 37431, 87339, 112293, 153883, 262017, 336879, 461649, 786051, 1077181, 1384947, 2358153, 3231543, 4154841, 9694629, 12464523, 29083887, 87251661]

約数ペア:

[(1, 87251661), (3, 29083887), (7, 12464523), (9, 9694629), (21, 4154841), (27, 3231543), (37, 2358153), (63, 1384947), (81, 1077181), (111, 786051), (189, 461649), (259, 336879), (333, 262017), (567, 153883), (777, 112293), (999, 87339), (2331, 37431), (2997, 29113), (4159, 20979), (6993, 12477)]