291217261437

素因数分解:

$3^2\times {\mathrm{809}}^1\times {\mathrm{39996877}}^1$

素因数の和:39997692

約数の個数: 12

約数和(自身を含む): 421167125340

約数和(自身を除く): 129949863903

約数列:

[1, 3, 9, 809, 2427, 7281, 39996877, 119990631, 359971893, 32357473493, 97072420479, 291217261437]

約数ペア:

[(1, 291217261437), (3, 97072420479), (9, 32357473493), (809, 359971893), (2427, 119990631), (7281, 39996877)]