85866813

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{33013}}^1$

素因数の和:33053

約数の個数: 18

約数和(自身を含む): 131758874

約数和(自身を除く): 45892061

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 33013, 99039, 297117, 561221, 1683663, 5050989, 9540757, 28622271, 85866813]

約数ペア:

[(1, 85866813), (3, 28622271), (9, 9540757), (17, 5050989), (51, 1683663), (153, 561221), (289, 297117), (867, 99039), (2601, 33013)]