2149804587

素因数分解:

$3^1\times 7^2\times {\mathrm{947}}^1\times {\mathrm{15443}}^1$

素因数の和:16407

約数の個数: 24

約数和(自身を含む): 3338127936

約数和(自身を除く): 1188323349

約数列:

[1, 3, 7, 21, 49, 147, 947, 2841, 6629, 15443, 19887, 46329, 46403, 108101, 139209, 324303, 756707, 2270121, 14624521, 43873563, 102371647, 307114941, 716601529, 2149804587]

約数ペア:

[(1, 2149804587), (3, 716601529), (7, 307114941), (21, 102371647), (49, 43873563), (147, 14624521), (947, 2270121), (2841, 756707), (6629, 324303), (15443, 139209), (19887, 108101), (46329, 46403)]