81660423

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{571}}^1$

素因数の和:799

約数の個数: 32

約数和(自身を含む): 124284160

約数和(自身を除く): 42623737

約数列:

[1, 3, 13, 19, 39, 57, 193, 247, 571, 579, 741, 1713, 2509, 3667, 7423, 7527, 10849, 11001, 22269, 32547, 47671, 110203, 141037, 143013, 330609, 423111, 1432639, 2093857, 4297917, 6281571, 27220141, 81660423]

約数ペア:

[(1, 81660423), (3, 27220141), (13, 6281571), (19, 4297917), (39, 2093857), (57, 1432639), (193, 423111), (247, 330609), (571, 143013), (579, 141037), (741, 110203), (1713, 47671), (2509, 32547), (3667, 22269), (7423, 11001), (7527, 10849)]