81412541

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{761}}^1$

素因数の和:845

約数の個数: 32

約数和(自身を含む): 105338880

約数和(自身を除く): 23926339

約数列:

[1, 7, 17, 29, 31, 119, 203, 217, 493, 527, 761, 899, 3451, 3689, 5327, 6293, 12937, 15283, 22069, 23591, 90559, 106981, 154483, 165137, 375173, 401047, 684139, 2626211, 2807329, 4788973, 11630363, 81412541]

約数ペア:

[(1, 81412541), (7, 11630363), (17, 4788973), (29, 2807329), (31, 2626211), (119, 684139), (203, 401047), (217, 375173), (493, 165137), (527, 154483), (761, 106981), (899, 90559), (3451, 23591), (3689, 22069), (5327, 15283), (6293, 12937)]