12788919

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 22888320

約数和(自身を除く): 10099401

約数列:

[1, 3, 9, 11, 13, 19, 33, 39, 57, 99, 117, 143, 171, 209, 247, 429, 523, 627, 741, 1287, 1569, 1881, 2223, 2717, 4707, 5753, 6799, 8151, 9937, 17259, 20397, 24453, 29811, 51777, 61191, 74789, 89433, 109307, 129181, 224367, 327921, 387543, 673101, 983763, 1162629, 1420991, 4262973, 12788919]

約数ペア:

[(1, 12788919), (3, 4262973), (9, 1420991), (11, 1162629), (13, 983763), (19, 673101), (33, 387543), (39, 327921), (57, 224367), (99, 129181), (117, 109307), (143, 89433), (171, 74789), (209, 61191), (247, 51777), (429, 29811), (523, 24453), (627, 20397), (741, 17259), (1287, 9937), (1569, 8151), (1881, 6799), (2223, 5753), (2717, 4707)]