217939167

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{52757}}^1$

素因数の和:52789

約数の個数: 24

約数和(自身を含む): 345670416

約数和(自身を除く): 127731249

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 52757, 158271, 474813, 896869, 1424439, 2690607, 4273317, 8071821, 12819951, 24215463, 72646389, 217939167]

約数ペア:

[(1, 217939167), (3, 72646389), (9, 24215463), (17, 12819951), (27, 8071821), (51, 4273317), (81, 2690607), (153, 1424439), (243, 896869), (459, 474813), (1377, 158271), (4131, 52757)]