54171999

素因数分解:

$3^2\times 7^2\times {\mathrm{122839}}^1$

素因数の和:122859

約数の個数: 18

約数和(自身を含む): 91024440

約数和(自身を除く): 36852441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 122839, 368517, 859873, 1105551, 2579619, 6019111, 7738857, 18057333, 54171999]

約数ペア:

[(1, 54171999), (3, 18057333), (7, 7738857), (9, 6019111), (21, 2579619), (49, 1105551), (63, 859873), (147, 368517), (441, 122839)]