16391661

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2011}}^1$

素因数の和:2057

約数の個数: 32

約数和(自身を含む): 27041280

約数和(自身を除く): 10649619

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 143, 209, 247, 429, 627, 741, 2011, 2717, 6033, 8151, 22121, 26143, 38209, 66363, 78429, 114627, 287573, 420299, 496717, 862719, 1260897, 1490151, 5463887, 16391661]

約数ペア:

[(1, 16391661), (3, 5463887), (11, 1490151), (13, 1260897), (19, 862719), (33, 496717), (39, 420299), (57, 287573), (143, 114627), (209, 78429), (247, 66363), (429, 38209), (627, 26143), (741, 22121), (2011, 8151), (2717, 6033)]