40987177

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:290

約数の個数: 36

約数和(自身を含む): 54340608

約数和(自身を除く): 13353431

約数列:

[1, 7, 11, 31, 49, 77, 121, 217, 223, 341, 539, 847, 1519, 1561, 2387, 2453, 3751, 5929, 6913, 10927, 16709, 17171, 26257, 26983, 48391, 76043, 120197, 183799, 188881, 338737, 532301, 836473, 1322167, 3726107, 5855311, 40987177]

約数ペア:

[(1, 40987177), (7, 5855311), (11, 3726107), (31, 1322167), (49, 836473), (77, 532301), (121, 338737), (217, 188881), (223, 183799), (341, 120197), (539, 76043), (847, 48391), (1519, 26983), (1561, 26257), (2387, 17171), (2453, 16709), (3751, 10927), (5929, 6913)]