247236489

素因数分解:

$3^3\times {\mathrm{2131}}^1\times {\mathrm{4297}}^1$

素因数の和:6437

約数の個数: 16

約数和(自身を含む): 366533440

約数和(自身を除く): 119296951

約数列:

[1, 3, 9, 27, 2131, 4297, 6393, 12891, 19179, 38673, 57537, 116019, 9156907, 27470721, 82412163, 247236489]

約数ペア:

[(1, 247236489), (3, 82412163), (9, 27470721), (27, 9156907), (2131, 116019), (4297, 57537), (6393, 38673), (12891, 19179)]