205126779

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{12923}}^1$

素因数の和:12987

約数の個数: 32

約数和(自身を含む): 330027264

約数和(自身を除く): 124900485

約数列:

[1, 3, 11, 13, 33, 37, 39, 111, 143, 407, 429, 481, 1221, 1443, 5291, 12923, 15873, 38769, 142153, 167999, 426459, 478151, 503997, 1434453, 1847989, 5259661, 5543967, 6215963, 15778983, 18647889, 68375593, 205126779]

約数ペア:

[(1, 205126779), (3, 68375593), (11, 18647889), (13, 15778983), (33, 6215963), (37, 5543967), (39, 5259661), (111, 1847989), (143, 1434453), (407, 503997), (429, 478151), (481, 426459), (1221, 167999), (1443, 142153), (5291, 38769), (12923, 15873)]