398609871

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{280909}}^1$

素因数の和:280966

約数の個数: 16

約数和(自身を含む): 593281920

約数和(自身を除く): 194672049

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 280909, 842727, 3089999, 9269997, 12079087, 36237261, 132869957, 398609871]

約数ペア:

[(1, 398609871), (3, 132869957), (11, 36237261), (33, 12079087), (43, 9269997), (129, 3089999), (473, 842727), (1419, 280909)]