4378689

素因数分解:

$3^2\times 7^2\times {\mathrm{9929}}^1$

素因数の和:9949

約数の個数: 18

約数和(自身を含む): 7358130

約数和(自身を除く): 2979441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 9929, 29787, 69503, 89361, 208509, 486521, 625527, 1459563, 4378689]

約数ペア:

[(1, 4378689), (3, 1459563), (7, 625527), (9, 486521), (21, 208509), (49, 89361), (63, 69503), (147, 29787), (441, 9929)]