390608.0000000

素因数分解:

$3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{307}}^1$

素因数の和:543

約数の個数: 24

約数和(自身を含む): 7175168

約数和(自身を除く): 2862125

約数列:

[1, 3, 7, 9, 21, 63, 223, 307, 669, 921, 1561, 2007, 2149, 2763, 4683, 6447, 14049, 19341, 68461, 205383, 479227, 616149, 1437681, 4313043]

約数ペア:

[(1, 4313043), (3, 1437681), (7, 616149), (9, 479227), (21, 205383), (63, 68461), (223, 19341), (307, 14049), (669, 6447), (921, 4683), (1561, 2763), (2007, 2149)]