920030157

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{668141}}^1$

素因数の和:668170

約数の個数: 20

約数和(自身を含む): 1455213276

約数和(自身を除く): 535183119

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 668141, 2004423, 6013269, 11358397, 18039807, 34075191, 54119421, 102225573, 306676719, 920030157]

約数ペア:

[(1, 920030157), (3, 306676719), (9, 102225573), (17, 54119421), (27, 34075191), (51, 18039807), (81, 11358397), (153, 6013269), (459, 2004423), (1377, 668141)]