40686543

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{26437}}^1$

素因数の和:26468

約数の個数: 20

約数和(自身を含む): 63979960

約数和(自身を除く): 23293417

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 26437, 79311, 237933, 502303, 713799, 1506909, 2141397, 4520727, 13562181, 40686543]

約数ペア:

[(1, 40686543), (3, 13562181), (9, 4520727), (19, 2141397), (27, 1506909), (57, 713799), (81, 502303), (171, 237933), (513, 79311), (1539, 26437)]