205201917

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{149021}}^1$

素因数の和:149050

約数の個数: 20

約数和(自身を含む): 324569916

約数和(自身を除く): 119367999

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 149021, 447063, 1341189, 2533357, 4023567, 7600071, 12070701, 22800213, 68400639, 205201917]

約数ペア:

[(1, 205201917), (3, 68400639), (9, 22800213), (17, 12070701), (27, 7600071), (51, 4023567), (81, 2533357), (153, 1341189), (459, 447063), (1377, 149021)]