81913117

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{317}}^1$

素因数の和:493

約数の個数: 24

約数和(自身を含む): 97765920

約数和(自身を除く): 15852803

約数列:

[1, 11, 13, 139, 143, 169, 317, 1529, 1807, 1859, 3487, 4121, 19877, 23491, 44063, 45331, 53573, 258401, 484693, 572819, 589303, 6301009, 7446647, 81913117]

約数ペア:

[(1, 81913117), (11, 7446647), (13, 6301009), (139, 589303), (143, 572819), (169, 484693), (317, 258401), (1529, 53573), (1807, 45331), (1859, 44063), (3487, 23491), (4121, 19877)]