12749457

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{2017}}^1$

素因数の和:2077

約数の個数: 24

約数和(自身を含む): 20244576

約数和(自身を除く): 7495119

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2017, 2107, 6051, 6321, 14119, 42357, 86731, 98833, 260193, 296499, 607117, 1821351, 4249819, 12749457]

約数ペア:

[(1, 12749457), (3, 4249819), (7, 1821351), (21, 607117), (43, 296499), (49, 260193), (129, 98833), (147, 86731), (301, 42357), (903, 14119), (2017, 6321), (2107, 6051)]