1680293889

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{1220257}}^1$

素因数の和:1220286

約数の個数: 20

約数和(自身を含む): 2657721924

約数和(自身を除く): 977428035

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 1220257, 3660771, 10982313, 20744369, 32946939, 62233107, 98840817, 186699321, 560097963, 1680293889]

約数ペア:

[(1, 1680293889), (3, 560097963), (9, 186699321), (17, 98840817), (27, 62233107), (51, 32946939), (81, 20744369), (153, 10982313), (459, 3660771), (1377, 1220257)]