218324727

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{158551}}^1$

素因数の和:158580

約数の個数: 20

約数和(自身を含む): 345326256

約数和(自身を除く): 127001529

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 158551, 475653, 1426959, 2695367, 4280877, 8086101, 12842631, 24258303, 72774909, 218324727]

約数ペア:

[(1, 218324727), (3, 72774909), (9, 24258303), (17, 12842631), (27, 8086101), (51, 4280877), (81, 2695367), (153, 1426959), (459, 475653), (1377, 158551)]