257601897

素因数分解:

$3^3\times 7^1\times {\mathrm{1362973}}^1$

素因数の和:1362989

約数の個数: 16

約数和(自身を含む): 436151680

約数和(自身を除く): 178549783

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1362973, 4088919, 9540811, 12266757, 28622433, 36800271, 85867299, 257601897]

約数ペア:

[(1, 257601897), (3, 85867299), (7, 36800271), (9, 28622433), (21, 12266757), (27, 9540811), (63, 4088919), (189, 1362973)]