450279

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:141

約数の個数: 24

約数和(自身を含む): 720720

約数和(自身を除く): 270441

約数列:

[1, 3, 9, 17, 27, 51, 81, 109, 153, 243, 327, 459, 981, 1377, 1853, 2943, 4131, 5559, 8829, 16677, 26487, 50031, 150093, 450279]

約数ペア:

[(1, 450279), (3, 150093), (9, 50031), (17, 26487), (27, 16677), (51, 8829), (81, 5559), (109, 4131), (153, 2943), (243, 1853), (327, 1377), (459, 981)]