81383445

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12647}}^1$

素因数の和:12682

約数の個数: 48

約数和(自身を含む): 165739392

約数和(自身を除く): 84355947

約数列:

[1, 3, 5, 9, 11, 13, 15, 33, 39, 45, 55, 65, 99, 117, 143, 165, 195, 429, 495, 585, 715, 1287, 2145, 6435, 12647, 37941, 63235, 113823, 139117, 164411, 189705, 417351, 493233, 569115, 695585, 822055, 1252053, 1479699, 1808521, 2086755, 2466165, 5425563, 6260265, 7398495, 9042605, 16276689, 27127815, 81383445]

約数ペア:

[(1, 81383445), (3, 27127815), (5, 16276689), (9, 9042605), (11, 7398495), (13, 6260265), (15, 5425563), (33, 2466165), (39, 2086755), (45, 1808521), (55, 1479699), (65, 1252053), (99, 822055), (117, 695585), (143, 569115), (165, 493233), (195, 417351), (429, 189705), (495, 164411), (585, 139117), (715, 113823), (1287, 63235), (2145, 37941), (6435, 12647)]