257292285

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{241589}}^1$

素因数の和:241668

約数の個数: 16

約数和(自身を含む): 417467520

約数和(自身を除く): 160175235

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 241589, 724767, 1207945, 3623835, 17152819, 51458457, 85764095, 257292285]

約数ペア:

[(1, 257292285), (3, 85764095), (5, 51458457), (15, 17152819), (71, 3623835), (213, 1207945), (355, 724767), (1065, 241589)]