257770647

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{329209}}^1$

素因数の和:329247

約数の個数: 16

約数和(自身を含む): 395052000

約数和(自身を除く): 137281353

約数列:

[1, 3, 9, 27, 29, 87, 261, 783, 329209, 987627, 2962881, 8888643, 9547061, 28641183, 85923549, 257770647]

約数ペア:

[(1, 257770647), (3, 85923549), (9, 28641183), (27, 9547061), (29, 8888643), (87, 2962881), (261, 987627), (783, 329209)]