731567457

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{127207}}^1$

素因数の和:127290

約数の個数: 20

約数和(自身を含む): 1108236096

約数和(自身を除く): 376668639

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 127207, 381621, 1144863, 3434589, 9031697, 10303767, 27095091, 81285273, 243855819, 731567457]

約数ペア:

[(1, 731567457), (3, 243855819), (9, 81285273), (27, 27095091), (71, 10303767), (81, 9031697), (213, 3434589), (639, 1144863), (1917, 381621), (5751, 127207)]