13261887

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{9631}}^1$

素因数の和:9660

約数の個数: 20

約数和(自身を含む): 20978496

約数和(自身を除く): 7716609

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 9631, 28893, 86679, 163727, 260037, 491181, 780111, 1473543, 4420629, 13261887]

約数ペア:

[(1, 13261887), (3, 4420629), (9, 1473543), (17, 780111), (27, 491181), (51, 260037), (81, 163727), (153, 86679), (459, 28893), (1377, 9631)]