26987313

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 40124160

約数和(自身を除く): 13136847

約数列:

[1, 3, 17, 29, 51, 71, 87, 213, 257, 493, 771, 1207, 1479, 2059, 3621, 4369, 6177, 7453, 13107, 18247, 22359, 35003, 54741, 105009, 126701, 310199, 380103, 529163, 930597, 1587489, 8995771, 26987313]

約数ペア:

[(1, 26987313), (3, 8995771), (17, 1587489), (29, 930597), (51, 529163), (71, 380103), (87, 310199), (213, 126701), (257, 105009), (493, 54741), (771, 35003), (1207, 22359), (1479, 18247), (2059, 13107), (3621, 7453), (4369, 6177)]