13780761

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:233

約数の個数: 32

約数和(自身を含む): 20465280

約数和(自身を除く): 6684519

約数列:

[1, 3, 17, 37, 51, 67, 109, 111, 201, 327, 629, 1139, 1853, 1887, 2479, 3417, 4033, 5559, 7303, 7437, 12099, 21909, 42143, 68561, 124151, 126429, 205683, 270211, 372453, 810633, 4593587, 13780761]

約数ペア:

[(1, 13780761), (3, 4593587), (17, 810633), (37, 372453), (51, 270211), (67, 205683), (109, 126429), (111, 124151), (201, 68561), (327, 42143), (629, 21909), (1139, 12099), (1853, 7437), (1887, 7303), (2479, 5559), (3417, 4033)]