408857127

素因数分解:

$3^1\times 7^2\times {\mathrm{571}}^1\times {\mathrm{4871}}^1$

素因数の和:5459

約数の個数: 24

約数和(自身を含む): 635386752

約数和(自身を除く): 226529625

約数列:

[1, 3, 7, 21, 49, 147, 571, 1713, 3997, 4871, 11991, 14613, 27979, 34097, 83937, 102291, 238679, 716037, 2781341, 8344023, 19469387, 58408161, 136285709, 408857127]

約数ペア:

[(1, 408857127), (3, 136285709), (7, 58408161), (21, 19469387), (49, 8344023), (147, 2781341), (571, 716037), (1713, 238679), (3997, 102291), (4871, 83937), (11991, 34097), (14613, 27979)]