181680003

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{131939}}^1$

素因数の和:131968

約数の個数: 20

約数和(自身を含む): 287365320

約数和(自身を除く): 105685317

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 131939, 395817, 1187451, 2242963, 3562353, 6728889, 10687059, 20186667, 60560001, 181680003]

約数ペア:

[(1, 181680003), (3, 60560001), (9, 20186667), (17, 10687059), (27, 6728889), (51, 3562353), (81, 2242963), (153, 1187451), (459, 395817), (1377, 131939)]