13091991

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{367}}^1$

素因数の和:451

約数の個数: 32

約数和(自身を含む): 20348928

約数和(自身を除く): 7256937

約数列:

[1, 3, 11, 23, 33, 47, 69, 141, 253, 367, 517, 759, 1081, 1101, 1551, 3243, 4037, 8441, 11891, 12111, 17249, 25323, 35673, 51747, 92851, 189739, 278553, 396727, 569217, 1190181, 4363997, 13091991]

約数ペア:

[(1, 13091991), (3, 4363997), (11, 1190181), (23, 569217), (33, 396727), (47, 278553), (69, 189739), (141, 92851), (253, 51747), (367, 35673), (517, 25323), (759, 17249), (1081, 12111), (1101, 11891), (1551, 8441), (3243, 4037)]