7081911

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:205

約数の個数: 40

約数和(自身を含む): 11586960

約数和(自身を除く): 4505049

約数列:

[1, 3, 9, 17, 27, 37, 51, 81, 111, 139, 153, 333, 417, 459, 629, 999, 1251, 1377, 1887, 2363, 2997, 3753, 5143, 5661, 7089, 11259, 15429, 16983, 21267, 46287, 50949, 63801, 87431, 138861, 191403, 262293, 416583, 786879, 2360637, 7081911]

約数ペア:

[(1, 7081911), (3, 2360637), (9, 786879), (17, 416583), (27, 262293), (37, 191403), (51, 138861), (81, 87431), (111, 63801), (139, 50949), (153, 46287), (333, 21267), (417, 16983), (459, 15429), (629, 11259), (999, 7089), (1251, 5661), (1377, 5143), (1887, 3753), (2363, 2997)]