506709

素因数分解:

$3^3\times 7^2\times {\mathrm{383}}^1$

素因数の和:406

約数の個数: 24

約数和(自身を含む): 875520

約数和(自身を除く): 368811

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 383, 441, 1149, 1323, 2681, 3447, 8043, 10341, 18767, 24129, 56301, 72387, 168903, 506709]

約数ペア:

[(1, 506709), (3, 168903), (7, 72387), (9, 56301), (21, 24129), (27, 18767), (49, 10341), (63, 8043), (147, 3447), (189, 2681), (383, 1323), (441, 1149)]