87145551

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1613}}^1$

素因数の和:1677

約数の個数: 40

約数和(自身を含む): 140611680

約数和(自身を除く): 53466129

約数列:

[1, 3, 9, 23, 27, 29, 69, 81, 87, 207, 261, 621, 667, 783, 1613, 1863, 2001, 2349, 4839, 6003, 14517, 18009, 37099, 43551, 46777, 54027, 111297, 130653, 140331, 333891, 420993, 1001673, 1075871, 1262979, 3005019, 3227613, 3788937, 9682839, 29048517, 87145551]

約数ペア:

[(1, 87145551), (3, 29048517), (9, 9682839), (23, 3788937), (27, 3227613), (29, 3005019), (69, 1262979), (81, 1075871), (87, 1001673), (207, 420993), (261, 333891), (621, 140331), (667, 130653), (783, 111297), (1613, 54027), (1863, 46777), (2001, 43551), (2349, 37099), (4839, 18009), (6003, 14517)]