91120561

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{211}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 117227520

約数和(自身を除く): 26106959

約数列:

[1, 7, 17, 19, 119, 133, 191, 211, 323, 1337, 1477, 2261, 3247, 3587, 3629, 4009, 22729, 25109, 25403, 28063, 40301, 61693, 68153, 282107, 431851, 477071, 685117, 765719, 4795819, 5360033, 13017223, 91120561]

約数ペア:

[(1, 91120561), (7, 13017223), (17, 5360033), (19, 4795819), (119, 765719), (133, 685117), (191, 477071), (211, 431851), (323, 282107), (1337, 68153), (1477, 61693), (2261, 40301), (3247, 28063), (3587, 25403), (3629, 25109), (4009, 22729)]