4390407

素因数分解:

$3^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{307}}^1$

素因数の和:547

約数の個数: 24

約数和(自身を含む): 7303296

約数和(自身を除く): 2912889

約数列:

[1, 3, 7, 9, 21, 63, 227, 307, 681, 921, 1589, 2043, 2149, 2763, 4767, 6447, 14301, 19341, 69689, 209067, 487823, 627201, 1463469, 4390407]

約数ペア:

[(1, 4390407), (3, 1463469), (7, 627201), (9, 487823), (21, 209067), (63, 69689), (227, 19341), (307, 14301), (681, 6447), (921, 4767), (1589, 2763), (2043, 2149)]