2149301

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:392

約数の個数: 16

約数和(自身を含む): 2715648

約数和(自身を除く): 566347

約数列:

[1, 7, 11, 77, 103, 271, 721, 1133, 1897, 2981, 7931, 20867, 27913, 195391, 307043, 2149301]

約数ペア:

[(1, 2149301), (7, 307043), (11, 195391), (77, 27913), (103, 20867), (271, 7931), (721, 2981), (1133, 1897)]